Jeep · Known Issues
1994-2026 Jeep Grand Cherokee Problems & Issues
1994-2026 model years · 6,332+ owner reports · Updated September 2026
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According to Au7o's analysis of 6,332+ owner reports, the 1994-2026 Jeep Grand Cherokee has 82 documented known issues, with 29 rated critical. The most serious are TIPM (Fuse Box) Failure ($800-$1,500 repair), 2012-2014 Alternator-Diode Safety Recalls (P60 / T36) ($0-$0 repair), 4.7L V8 Crankshaft Position Sensor Failure Causing Hot-Restart No-Start and Random Stalling ($80-$350 repair), 1999-2004 4.0L Coolant Loss or Misfire — Confirm the Cylinder Head and Leak Path First, 4xe High-Voltage Battery/Charging System Faults Triggering No-Start or Reduced Propulsion ($300-$12,000 repair), 3.0L EcoDiesel Oil Cooler Failure Causing Oil/Coolant Cross-Contamination and Engine Damage ($500-$4,000 repair), Second-Row Seat Side Airbag Connector/Occupant Restraint Fault Warnings ($150-$1,200 repair), Loss of Drive Power from Improperly Installed Intermediate Steering Shaft / Steering Coupling Hardware ($250-$1,200 repair), Monostable Electronic Shifter Rollaway (Recall 16V-240) ($0-$0 repair), 2022-2026 Grand Cherokee 4xe High-Voltage Battery Fire Risk - Recall 25V741000, W5A580 (NAG1) 5-Speed Automatic Limp Mode and Harsh Shift from Conductor-Plate Speed Sensors and Fluid Contamination ($300-$3,500 repair), 2004 545RFE Intermittent Low-Line-Pressure or Gear-Ratio DTCs — Check TCM Build Date, 2022-2026 Grand Cherokee 4xe High-Voltage Battery Fire-Risk Recall (68C / 25V-741) ($0-$0 repair), 2014-2019 Grand Cherokee EcoDiesel EGR Cooler Fire-Risk Recall (W79 / 20V-699) ($0-$0 repair), 2023-2025 Grand Cherokee 4xe Engine Sand-Contamination Recall (78C / 25V-766) ($0-$0 repair), 1999-2010 Airbag Light Plus Horn or Wheel-Control Faults - Scan SRS First, Rear-Mounted Fuel Tank Rupture and Fire Risk in Rear Impacts (Recall 13V-252 / Campaign N45) ($0-$0 repair), Loss of Steering Control: Upper Control Arm Pinch Bolt & Intermediate Shaft (Recalls 23V-352, 24V-131) ($0-$0 repair), Rear Coil Spring Separation/Collapse Causing Tire Contact and Loss of Stability ($400-$1,800 repair), Ignition Switch / Lock Cylinder Wear Causing Key Stuck and Unexpected Engine Shut-Off (Recall P41 / NHTSA 14V-438, 2005-2007 WK) ($0-$400 repair), Sudden Alternator Failure Causing Stall / Fire Risk (Recalls 14V-634, 17V-435) ($0-$700 repair), 3.6L Pentastar Upgrade Rocker Arm / Intake Camshaft Lobe Wear Causing Misfire and Tick ($600-$3,500 repair), Recall 18V524000 (U87) — PCM Circuit-Board Voltage Regulator Can Fail, Causing a Stall, Cruise Control That Will Not Shut Off — Wiring Short Circuit Recall (18V332000), Internal Radiator Transmission-Cooler Failure Cross-Contaminating ATF and Coolant ('Pink Milkshake') ($400-$1,800 repair), 2011-2021 5.7L Persistent Tick or Misfire - Confirm Valvetrain Damage Before Parts, Early 3.6L Pentastar Left Cylinder Head Valve Seat/Guide Wear Causing Misfires (Warranty Extension X56 / TSB 09-002-14) ($0-$2,500 repair), Early 3.6L Pentastar Left Cylinder Head Failure — Overheated Valve Seat Causing Ticking, Misfire and Check Engine Light (Warranty Extension X56) ($0-$4,000 repair) and 2014-2020 Grand Cherokee EcoDiesel High-Pressure Fuel Pump Recall (Z46 / 22V-406) ($0-$0 repair). The most commonly reported issue is TIPM (Fuse Box) Failure with 1,892 owner reports. Across all issues with published estimates, repair costs range from $20 to $12,000. DIY maintenance guides at au7o.io.
The Totally Integrated Power Module (TIPM) can fail, causing various electrical issues including fuel pump relay problems (no start), random horn honking, and erratic behavior of lights and accessories.
For fuel pump relay failure: Install an external bypass relay kit ($30-50 DIY) to power fuel pump directly. For complete fix: Replace TIPM unit with remanufactured unit ($400-600) or new OEM ($800-1,200). Some electrical shops can repair/rebuild existing TIPM for $200-400.
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Repair of the original 2011-2013 TIPM after VIN recall status is resolved and circuit-level diagnosis confirms a covered internal failure Fitment/availability: The service covers specified fuel-pump, battery-draw, lock, wiper/washer, bac…
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Certain 2012-2014 Jeep Grand Cherokee vehicles are covered by alternator-diode safety recalls P60 / NHTSA 14V-634 or T36 / NHTSA 17V-435. P60 covers specified 3.6L vehicles with a 160A alternator. T36 covers VIN-included WK vehicles with electro-hydraulic power steering and specified 3.6L or 5.7L, 160A, 180A, or 220A configurations. FCA says thermal or rapid diode failure can stop alternator output, cause a stall with limited warning, or create a resistive short that produces heat, smoke, or an underhood fire. The exact campaign and completion status are VIN-specific.
Check the VIN for open P60 / 14V-634 and T36 / 17V-435 campaigns and schedule an authorized Jeep dealer if either is incomplete. FCA's T36 procedure has the dealer inspect the alternator part-number tag; a listed improved unit needs no further action, while a suspect, illegible, missing, aftermarket, or remanufactured unit is replaced under the campaign with an alternator containing improved diodes. The recall repair is free for an eligible VIN, and the owner notices include a reimbursement path for qualifying prior repairs. Do not use the old retail alternator, battery, starter, charger, or EV-charger links in place of the recall. If the vehicle loses electrical power, stalls, or shows alternator heat, smoke, or fire, stop safely, move occupants away, and arrange towing or emergency assistance as appropriate.
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Grand Cherokee 4xe models have generated substantial owner complaints for hybrid system warnings, charging faults, propulsion loss, and no-start conditions tied to the high-voltage battery pack, battery coolant heater, or related control logic. Several recalls and service actions have addressed fire risk, battery pack concerns, and software behavior in 4xe vehicles. Owners commonly describe a check engine light with 'service charging system' or 'service hybrid electric vehicle system' messages, sometimes leaving the vehicle unable to charge or drive normally.
Diagnose with a scan tool capable of reading hybrid control modules, then inspect for active recalls, battery pack faults, coolant heater issues, and software updates. Repairs range from module reprogramming and battery coolant heater replacement to high-voltage battery pack replacement depending on the fault path. Because of the high-voltage system and fire-related campaigns, dealer-level diagnosis is strongly recommended.
Chrysler (FCA US, LLC) has recalled 2022-2026 Jeep Grand Cherokee 4xe plug-in hybrid models under NHTSA campaign 25V741000. The high-voltage traction battery in these vehicles may fail internally, and that internal failure can lead to a vehicle fire. NHTSA's record is explicit that the fire can start either while the Grand Cherokee is being driven or while it is sitting parked, so simply not driving the vehicle does not remove the hazard. The consequence stated by the agency is that a vehicle fire increases the risk of injury. The campaign as a whole covers 320,068 vehicles across all of the models included in it (Wrangler 4xe and Grand Cherokee 4xe); that figure is campaign-wide and is not a count of Grand Cherokees. Because this is a defect in the propulsion traction battery itself rather than in a charging accessory or 12-volt system, Chrysler's interim guidance to Grand Cherokee 4xe owners is unusually restrictive: park the vehicle outside and away from structures such as garages, carports and buildings, and do not charge it until the recall work has been performed.
The repair is free at any Jeep/Chrysler dealer. Dealers will update the high-voltage battery software and, where the battery is found to require it, replace the high-voltage battery itself at no charge. Until that work is done, follow Chrysler's interim instructions for your Grand Cherokee 4xe: park it outdoors and away from your house, garage or any other structure, and do not plug it in to charge. Some owner notification letters began going out December 17, 2025, with the rest to be mailed later, so a letter may not have reached you yet even though your vehicle is included. Enter your VIN at nhtsa.gov/recalls to confirm whether your specific Grand Cherokee is covered, then call your dealer to schedule the recall service. You may also contact Chrysler customer service and reference NHTSA campaign 25V741000.
Certain 2022-2026 Jeep Grand Cherokee 4xe vehicles are included in FCA safety recall 68C / NHTSA 25V-741. FCA's amended report lists 91,847 potentially involved Grand Cherokee PHEVs built from July 23, 2021 through November 25, 2025. In rare circumstances, cells in the high-voltage battery pack may have separator damage which, combined with other internal cell interactions, can lead to a vehicle fire while parked or driving. FCA identifies no warning before the condition. The prior card used the wrong recall number and offered a complete traction-battery purchase even though the remedy is a free VIN-specific campaign.
Check the VIN for open recall 68C and contact an authorized Jeep dealer. Until the recall remedy is completed, follow FCA and NHTSA's instruction not to recharge the vehicle and to park it outside, away from structures and other vehicles. FCA's remedy is a software flash followed by high-voltage battery replacement if needed; the amended report also provides an unlimited-years/unlimited-mileage warranty extension for impacted customers who receive defect-related messaging and need a battery. Vehicles previously repaired under superseded recall 95B / 24V-720 still need the new 68C remedy if the VIN is included. If smoke, heat, a burning smell, or fire is observed, move away from the vehicle and call emergency services. Do not buy or install a salvage or retail high-voltage pack in place of the recall.
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On 2005-2007 (WK) Grand Cherokees, wear inside the ignition switch/lock cylinder can allow the key to be jarred out of the RUN position — by a knee, a heavy key ring, or a rough road — which shuts off the engine and can disable power steering, power brake assist, and the airbags while driving. Owners also report the key sticking, being hard to turn, or not returning the fob to a working state. FCA issued Safety Recall P41 (NHTSA campaign 14V-438) covering the affected Grand Cherokees; the remedy replaces the ignition switch and lock cylinder assembly. This is a genuine safety defect (unintended stall / loss of assist) rather than a mere inconvenience.
Verify the VIN against Safety Recall P41 / NHTSA 14V-438 at a Jeep dealer — the ignition switch and lock cylinder replacement is performed free of charge under the recall. Out of warranty or for non-recalled sticking-key complaints, replace the ignition switch/lock cylinder assembly and inspect the wiring/connector. Interim mitigation: remove heavy items from the key ring so nothing loads the key downward until the repair is done.
Grand Cherokees with electro-hydraulic power steering subject the alternator to cyclical electrical loads that cause thermal failure of the internal diodes. The alternator can fail suddenly, stalling the vehicle without warning and, in some cases, short-circuiting and causing an under-hood fire. Multiple NHTSA campaigns cover the 160/180/220-amp units.
Have the applicable recall performed (NHTSA 14V-634 for 160-amp 3.6L units, and 17V-435 for EHPS-equipped 5.7L/3.6L vehicles): dealers inspect and replace the alternator free of charge. Out of warranty, replace the alternator with an updated unit; budget roughly $400-$700 including labor.
The 2018 Grand Cherokee is one of the vehicles named in NHTSA recall 18V524000. The defect sits inside the powertrain control module: a voltage regulator chip on the module's circuit board may fail. The failure shows up in one of two ways — the Grand Cherokee stalls while it is being driven, or it will not start. NHTSA filed the campaign under the front underhood electrical wiring component and states plainly that a stall raises crash risk. Chrysler tracks the campaign internally as number U87.
Dealers replace the powertrain control module at no charge to the owner. Notification of owners started October 2, 2018. Because this is a free safety recall with no mileage or time limit, a 2018 Grand Cherokee that never had the work done is still entitled to it — check the VIN at nhtsa.gov/recalls to see whether U87 remains open, then schedule the module replacement with a Jeep dealer. Chrysler customer service: 1-800-853-1403.
Recall 18V332000 covers 2014-2018 Jeep Grand Cherokee models among a long list of FCA vehicles. The defect is in the cruise control system: a short circuit in the vehicle's wiring can leave the cruise control unable to be disengaged once it has been set. According to NHTSA, the driver may find that neither depressing the brake pedal nor manually turning the system off will cancel it, and the Grand Cherokee will either continue at its current speed or possibly accelerate. NHTSA lists the consequence as an increased risk of a crash. This is a wiring/software fault, not a mechanical throttle problem, and the remedy is a control-module reflash rather than a parts replacement.
Correction is free of charge at a Jeep dealer. The dealer inspects the software and flashes the engine or powertrain control module. Notification to owners began June 4, 2018. Look up your VIN at nhtsa.gov/recalls to see whether your Grand Cherokee is included and whether the flash has been completed; used-vehicle buyers should check even on a truck that has changed hands. Chrysler customer service can be reached at 1-800-853-1403. Do not use cruise control until the update is performed. If it will not disengage on the road, brake firmly and steadily, shift to neutral, and select park once stopped.
Chrysler recalled 2022-2023 Grand Cherokee, 2021-2023 Grand Cherokee L (plus 2022-2024 Wagoneer/Grand Wagoneer) because the Central Vision Park Assist Module (CVPAM) software can prevent the rearview image from displaying when the vehicle is shifted into reverse — a non-compliance with FMVSS 111 'Rear Visibility' that raises backover-crash risk. A separate small recall covered a handful of units with an improperly connected coaxial camera cable. Owners of 5th-gen WL vehicles continue to report blank/black backup-camera screens and frozen displays tied to radio/module software, with additional camera-related recalls issued through 2024.
Have the dealer perform the recall software update to the Central Vision Park Assist Module (and verify the camera coaxial cable connection if applicable) at no charge. If the camera screen is black or frozen, a Uconnect/radio software update or module reset is often the fix. Check VIN recall status via NHTSA before assuming an out-of-warranty repair.
The WJ PCM (engine computer) can develop internal faults — often heat/temperature-related micro-cracks or solder failures — that cause intermittent stalling, hard-to-diagnose no-starts and driveability problems that come and go with ambient temperature. A well-known WJ case: a 2000 4.7L stalled only when outside air exceeded ~60F; a rebuilt/replaced PCM cured it after many other parts were replaced in vain.
Diagnose by elimination after CKP, fuel pump, and grounds are ruled out. Options: send the PCM for bench repair (specialists like Circuit Board Medics), or install a remanufactured PCM programmed to the vehicle's VIN and SKIM/immobilizer. Any replacement PCM must be VIN-programmed to run. Inspect PCM connectors/pins for corrosion first.
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Bench repair of the vehicle's original PCM only after vehicle-side diagnosis confirms an internal module fault covered by the service Fitment/availability: SKU 46855 describes a repair-and-return service for 1996-2004 Grand Cherokee 4.0L…
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The 2014-2015 Jeep Grand Cherokee is one of the vehicles covered by FCA US LLC's radio software recall. The radios in these Grand Cherokees have software vulnerabilities that can allow third-party access to certain networked vehicle control systems. According to NHTSA, exploiting that vulnerability may allow unauthorized remote modification and control of certain vehicle systems, which increases the risk of a crash. Because the flaw is in the radio's software rather than in any hardware component, an untouched Grand Cherokee stays vulnerable no matter how well it has been maintained. The 1,416,903-unit figure NHTSA publishes applies to the entire multi-brand campaign.
Have the Uconnect software update installed — it is free and it eliminates the vulnerability. Owners were mailed a USB drive with the update; the same file could be downloaded to a personal USB drive from driveuconnect.com/software-update, and any Jeep dealer would install it immediately at no cost. Chrysler also had the wireless service provider close the open cellular connection to the vehicle as an interim mitigation. Run your 2014-2015 Grand Cherokee's VIN through nhtsa.gov/recalls to confirm the update was actually performed rather than assuming it was.
Owners of 2022-2026 Grand Cherokee and Grand Cherokee L (WL) report severe parasitic battery drain: control modules (infotainment/radio, keyless entry, body modules) fail to enter sleep mode after the vehicle is shut off, rapidly draining the 12V battery. Some report a completely dead battery after the vehicle sits just 7-10 days, with repeated jump-starts and premature battery replacements early in the vehicle's life. The condition can disable safety and convenience features and has prompted a class-action investigation. Chrysler has acknowledged related concerns through TSBs addressing excessive module wake cycles and radio/infotainment-related drain.
Have the dealer perform an ignition-off-draw (IOD) parasitic draw test to isolate the offending module, and apply the latest software/TSB updates (e.g., bulletins addressing radio/infotainment module wake cycles). Updating control-module software often reduces the drain. A battery test/replacement may be needed if the original was repeatedly deep-cycled. A battery maintainer helps if the vehicle sits for extended periods.
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Replacement only when a fully charged battery fails testing after the source of the draw is addressed Fitment/availability: H6/Group 48/LN3 AGM, 760 CCA. Match the installed battery label, physical tray, terminals and VIN before purchase.
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Uconnect resets or a blank screen, intermittent accessories, a discharged battery, and communication faults may occur together, but they do not establish that the Body Control Module is defective. Radio software or hardware, a weak battery or charging problem, poor power or ground, damaged CAN wiring or terminals, another module that will not sleep, and a true internal module fault can overlap. FCA has a software bulletin for specific early 2014 WK vehicles with RA3/RA4 radios, including radio resets and radio-caused battery drain, but that bulletin is sales-code and build-date specific and does not justify replacing a BCM, Intelligent Battery Sensor, or battery on every 2014-2018 vehicle.
Start with a complete vehicle scan and save active, stored, and environmental data before clearing anything. Load-test the battery, verify charging voltage, and repair low-voltage faults first. Inspect the relevant fuses, power feeds, grounds, connectors, and CAN wiring, then measure key-off draw only after the vehicle has completed its normal sleep period and isolate the circuit that remains awake. For radio resets, identify the exact radio sales code and vehicle build date and check the VIN for the applicable FCA software or radio procedure. For a lost-communication fault, determine whether the named module is actually offline, whether multiple modules logged against it, and whether its power, ground, and network circuits pass before condemning it. Replace and VIN-configure a BCM, radio, IBS, or battery only when the component-specific test proves it failed.
The WJ-generation Grand Cherokee instrument cluster is a well-known weak point. Owners report gauges that suddenly stop working, read erratically, or dim so far they're unreadable even with the dash brightness turned all the way up. Causes range from loose/corroded cluster connectors and cold-solder joints to electroluminescent backlight aging and Body Control Module (TIPM) interaction. The condition is often intermittent at first (a firm tap on the dash or an odometer-reset press temporarily restores the gauges) before becoming permanent.
Remove the cluster and reseat/clean the connectors with contact cleaner; resecure loose plugs. Repair cold-solder joints on the cluster circuit board or replace the cluster (2002-2004 electroluminescent clusters can be retrofitted into 1999-2001 cars). Verify BCM/grounds if multiple unrelated gauges drop together. Re-check connector retention after reinstall.
The Uconnect touchscreen display can develop issues including delamination (bubbling/peeling of the touchscreen layers), unresponsive touch areas, and complete screen failure. Heat exposure accelerates these issues.
Screen replacement required for physical damage or delamination. Software issues may be resolved with updates. Some owners have had screens replaced under extended warranty. Third-party screen replacements available at lower cost than dealer.
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Early-system touchscreen replacement after physical touch-layer failure is confirmed Fitment/availability: For specified 2014-2017 Grand Cherokee VP3/VP4 Uconnect 3C radios with visible DJ084NA-01A screen identification.
Later-system LCD/touch assembly after physical delamination or panel failure is confirmed Fitment/availability: For Uconnect 4/4C UAQ/UAS radios whose removed screen label matches LA084X01 SL01, SL02 or SL03. Confirm the label rather tha…
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Stop-Start-equipped WK2 Grand Cherokees use a small secondary (auxiliary) AGM battery in addition to the main battery to power electronics during the engine auto-restart. This auxiliary battery (and sometimes the main AGM) fails relatively early, producing 'Stop/Start not available - battery charging' or 'Stop/Start Not Ready' messages and disabling the auto start-stop feature. Installing a non-AGM wet-cell battery causes premature failure because it cannot handle the cycling load. The Intelligent Battery Sensor (IBS) can also need a relearn after any battery replacement, during which ESS is temporarily inhibited.
Test both the main and auxiliary batteries; replace the failed unit with the correct AGM specification (the auxiliary is a small dedicated battery, often near the air-box/fender). After replacement allow the IBS relearn to complete (several drive cycles). Never substitute a standard flooded battery. Verify charging-system output if messages persist.
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Replacement for a failed auxiliary battery in a verified AUX14-equipped dual-battery ESS configuration Fitment/availability: AUX14, 12 V, 14 Ah and 200 CCA AGM. Match the installed auxiliary battery dimensions, terminals, label and VIN; …
Match label, dimensions, polarity, vent and VIN; it is not interchangeable with H7 merely because both appear in WK2 catalogs.
Confirm the physical label, tray, venting, terminals and VIN; never substitute it for an H6 or use this link to infer ESS equipment.
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Grand Cherokees equipped with factory HID/xenon projector headlights are commonly reported for dim or color-shifted low beams as the bulbs age, single-side bulb or ballast failures, and internal lens condensation. Per Chrysler service guidance, some condensation inside vented HID housings is considered normal and should clear as the bulbs heat up; however, persistent moisture from a failed lens-to-housing seal can corrode reflective surfaces and shorten bulb life. Older assemblies also haze/yellow, further reducing output.
For dim/aged output replace the HID bulbs (and ballast if a bulb fails to strike); match bulbs in pairs for even color. For mechanical high/low projector faults inspect the projector shutter solenoid. If condensation does not clear after running the lights, replace the headlight assembly due to a failed seal. Restore hazed lenses or replace assemblies as needed.
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Replacement for a confirmed failed or materially aged D3S bulb in a factory-HID headlamp Fitment/availability: Philips 42403C1 is D3S, 42 V, 35 W and 4300 K.
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The crankshaft position sensor (CKP) on the 4.7L (and 4.0L) Grand Cherokee commonly fails from heat-soak: it works when cold but its internal resistance rises when hot, so the PCM loses the crank signal and the engine won't restart until it cools 30-60 minutes, or it stalls randomly while driving. A cranks-but-no-start after a hot soak is the classic signature and a top WJ search.
Verify with a scan tool (loss of CKP signal / no RPM during crank) rather than parts-swapping. Replace with a quality sensor — Mopar crankshaft position sensor 56028666AB fits 1999-2004 4.7L (56028133-series is the CAMSHAFT sensor, do not confuse). Use OEM Mopar or premium NGK/NTK; cheap sensors frequently fail again. On some 4.7L applications the starter must be removed for access.
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Replacement after testing confirms the CKP sensor itself failed on a 1999-2004 Grand Cherokee 4.7L Fitment/availability: 56028666AB is the exact reviewed genuine sensor and supersedes 56028666AA, 56028136AC/AD and 56028137AC. Confirm VIN…
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A cracked cylinder head or failed head gasket can produce coolant loss, overheating, rough running, or cylinder leakage on a 4.0L Grand Cherokee, but the previous card treated every 1999-2004 vehicle as if its installed casting and failure mode were already known. Heads may have been replaced during the vehicle's life, and DaimlerChrysler also documented P0300 and single-cylinder misfires from slow-closing exhaust valves caused by carbon. A model year, a P030x code, or coolant loss by itself does not prove a crack between cylinders 3 and 4 or identify the correct replacement head.
Start with the cooling system and the actual failure path: pressure-test the system cold, inspect external leak points, test for combustion gas where appropriate, and inspect the oil and coolant for cross-contamination. For a misfire, follow the factory diagnostic path and use compression and leak-down results rather than assigning the code to the head. Record the installed casting/foundry markings because a prior repair may have changed the head. If removal is justified, have the head and deck inspected and pressure-tested by a qualified machine shop. Only after the crack, deck condition, installed casting, and required machining are known should the shop select an application-specific head, gasket set, and fastener plan. No universal replacement head is linked here.
The integrated engine oil cooler/oil-filter housing on the 3.0L EcoDiesel develops internal failures that let engine oil and coolant cross-contaminate — owners report 'milkshake' oil and oil in the coolant bottle. Casting debris left in the engine can become trapped in the cooler and, with vibration, wear holes through the cooler's thin metal. If the leak isn't caught early it leads to overheating, coolant in the oil destroying bearings, and in many documented cases catastrophic engine failure requiring a long block — repairs that have run owners well into five figures. Failures are widely reported starting around 100k-140k miles.
Replace the oil cooler/oil-filter housing assembly at the first sign of oil-coolant mixing; many EcoDiesel owners proactively fit an upgraded external oil cooler kit to eliminate the cross-contamination path. Flush the cooling and oil systems thoroughly after any contamination event, and inspect bearings/engine condition before returning to service. Address any coolant loss or emulsified oil immediately — continuing to drive risks a total-engine repair.
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Routine oil-filter replacement in the original GEN-2 housing on a confirmed 2014-2019 Grand Cherokee 3.0L EcoDiesel Fitment/availability: WIX WL10060 cross-references Mopar 68229402AA and the live listing names the 2014-2019 Grand Cherok…
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Certain 2014-2019 Jeep Grand Cherokee vehicles with the 3.0L EcoDiesel engine are included in safety recall W79 / NHTSA 20V-699. NHTSA lists 28,884 potentially involved Jeep vehicles. Thermal fatigue can cause the EGR cooler to crack internally over time, allowing pre-heated vaporized coolant into the EGR system; under some conditions the mixture can combust inside the intake manifold and lead to a vehicle fire. Recall inclusion is VIN-specific. The prior card overstated the Jeep population as 34,334, attached unsupported generic EGR codes, and offered OEM, aftermarket, manifold, and gasket purchases even though the recall repair is free and inspection-dependent.
Check the VIN for open recall W79 and schedule the free repair with an authorized Jeep dealer. FCA's procedure replaces the EGR cooler using campaign parts. If the malfunction indicator lamp is illuminated, the dealer checks for P0299 and P2D2F; when either is present, the intake manifold is inspected and leak-tested and is replaced only if perforation is confirmed. Monitor the coolant level as FCA advises and contact the dealer if it is consistently low. If there is smoke, a burning smell, visible fire, or rapid coolant loss, stop safely, shut the engine off, move occupants away, and seek emergency/towing assistance. Do not buy an EGR cooler, manifold, aftermarket cooler, or gasket bundle in place of the VIN-specific recall remedy.
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Certain 2023-2025 Jeep Grand Cherokee 4xe vehicles are included in FCA safety recall 78C / NHTSA 25V-766. FCA's amended report lists 39,975 potentially involved Grand Cherokee PHEVs built from July 19, 2023 through April 10, 2025. Sand left from the engine-block casting process can contaminate internal components and lead to catastrophic engine failure, an engine-compartment fire, or an unexpected and unrecoverable loss of propulsion. FCA says a knocking noise from the engine compartment and/or a malfunction indicator lamp may occur before failure, but recall inclusion is VIN-specific.
Check the VIN for open recall 78C and contact an authorized Jeep dealer. FCA's current remedy reprograms the Powertrain Control Module with software that detects and monitors for potential pending engine-bearing failure. If the software confirms bearing failure, FCA replaces the long block or engine. FCA's March 2026 report also identifies warranty extension XC2 with unlimited years and unlimited mileage for impacted customers who receive defect-related messaging and need a long block or engine. Follow the official do-not-drive and park-outside advisories until the VIN-specific remedy is completed; if knocking, a malfunction light, smoke, fire, or loss of propulsion occurs, stop safely, move occupants away, and arrange dealer/towing or emergency assistance as appropriate. Do not self-source an engine for a free safety-recall repair.
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The updated/'Upgrade' 3.6L Pentastar V6 (used on later WK2 and the WL fifth-gen) suffers premature wear of the intake rocker-arm roller bearings and/or intake camshaft lobes, traced by TSB to a manufacturing issue. As the rocker bearing or cam lobe wears, the valve no longer opens fully, producing a distinct ticking noise and a misfire on the affected cylinder; if ignored the failing rocker can damage the camshaft. This is a separate failure from the early-2011-2013 left-head defect and from the 5.7 HEMI MDS lifter — it affects the V6 valvetrain across both generations.
Diagnose a cylinder-specific misfire accompanied by a valvetrain tick with a scope/inspection of the intake rocker arms and camshaft lobes. Replace worn rocker arms and, where the cam lobe is scored, the camshaft, per the applicable Pentastar Upgrade TSB; address promptly to avoid camshaft and follow-on damage. Replace spark plug/coil first only to rule out the easy cause — a persistent misfire with a tick is valvetrain, not ignition.
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Complete FCA bulletin repair after right-bank intake high-lift lobe/rocker wear is confirmed Fitment/availability: 68661147AB supersedes 68661147AA and is the right-side kit named in TSB 09-011-25. Confirm VIN, ERC/ERG sales code, build/…
Complete FCA bulletin repair after left-bank intake high-lift lobe/rocker wear is confirmed Fitment/availability: 68661146AA is the left-side kit named in TSB 09-011-25. Confirm VIN, ERC/ERG sales code, build/mileage scope and left-bank …
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A persistent tick and cylinder misfire on a 5.7L Grand Cherokee can be consistent with valvetrain damage, but those symptoms do not identify a failed MDS lifter or worn camshaft by themselves. Exhaust-manifold leaks, ignition or injector faults, oil-pressure problems, rocker/pushrod faults, compression loss, and other mechanical conditions can overlap. FCA has published a cam/lifter inspection note for certain 5.7L MDS police Charger, Durango, and Ram 1500 vehicles, but that document does not establish the prior card's blanket Grand Cherokee year, mileage, DTC, or part-set claims.
Record the exact DTCs and freeze-frame data, verify oil level and mechanical oil pressure, and identify whether the sound is from the exhaust manifold or inside the valvetrain. Diagnose ignition and injector causes for the affected cylinder, then perform factory compression and cylinder-leakage testing as indicated. If the evidence remains mechanical, inspect rocker motion, pushrods, lifter rollers, and cam lobes using service information for the exact VIN and engine build. Only after lifter or cam damage is physically confirmed should a technician select the correct mix of deactivating and standard lifters, yokes, camshaft, gaskets, torque-to-yield fasteners, and any contamination-related work. Stop driving and obtain professional diagnosis if the oil-pressure warning appears, the malfunction lamp flashes, severe misfire develops, or metal is found in the oil/filter.
Early (2011-2013) 3.6L Pentastar engines have a defective left-bank cylinder head with excessive valve seat/guide wear, attributed to incompatible head materials. The wear causes leak-down and misfires concentrated on the left bank — cylinders 2, 4, and 6 — often with a ticking valvetrain noise. Chrysler never issued a safety recall but acknowledged the problem with TSB 09-002-14 and warranty extension X56, covering the left cylinder head for 10 years / 150,000 miles. Buyers are advised to confirm the left head is stamped 2062 (day 206 of 2012) or later, indicating the corrected casting.
Replace the affected (left) cylinder head with the updated revised-casting part, including new gaskets and hardware, per TSB 09-002-14. Verify warranty extension X56 coverage (10yr/150k) before paying out of pocket. Diagnose by pulling misfire codes on even-numbered (left-bank) cylinders and performing a leak-down/compression test; confirm the head casting date stamp on used/early engines.
On early 3.6L Pentastar V6 engines, the LEFT cylinder head (cylinders 2-4-6) is prone to premature failure. Premature wear of the exhaust valve seats and guides (attributed to improper material/hardening) causes valve-seat recession, producing a tell-tale tick, misfires on the left bank and an illuminated check-engine light. Chrysler acknowledged the condition in TSB 09-002-14 and issued warranty extension X56 covering the left cylinder head for 10 years / 150,000 miles (per warranty bulletin D-14-12, June 2014); it was never a safety recall. A production fix (hardened valve guides/seats, revised left head casting, reman part RL141353AC / updated OEM casting) was phased in during summer 2012 (heads stamped 2062 = 206th day of 2012 or later are the fixed version), so the highest-risk population is 2011-2012 builds plus early-2012-build 2013 units. The dealer diagnostic per the TSB is a cylinder leak-down test, replacing the head at 25% or greater leakage. This is distinct from the documented water-pump, oil-pan-gasket and catalyst-code issues.
Confirm the misfire is mechanical, not just a coil/plug, via compression or leak-down on the affected left-bank cylinder (TSB threshold: 25%+ leakage). The accepted repair is replacing the failed LEFT cylinder head with the revised casting (hardened valve guides/seats — reman RL141353AC or the updated OEM 'AD' casting), new head gasket and bolts, plus spark plugs and often coils. If the vehicle is within the X56 10-year/150,000-mile window, the dealer replaces the left head at no cost. Independents may rebuild/reseat a head, but the OE remedy is the redesigned head assembly.
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Confirm VIN/X56 status, exact left-bank leakage result, current supersession,
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Oil found around the Pentastar oil filter adapter does not prove that the complete adapter or oil cooler has cracked. FCA's service guidance separates several repair paths: a cap O-ring that is cut, damaged, or installed in the wrong groove; five adapter bolts that are not at the specified torque; and a confirmed leak at the adapter-to-block O-rings and gaskets. FCA's 2021 guidance tells technicians to reseal a confirmed interface leak rather than replace the adapter on the covered non-2014 vehicles, while model-year 2014 is handled as an adapter-replacement exception. The previous card treated 2011-2020 vehicles alike, prescribed an aluminum assembly, implied oil/coolant cross-contamination, and listed P0128 and P26B7 without reviewed support.
Clean the area and add approved oil dye so the source can be observed before parts are ordered. Inspect the oil-filter-cap O-ring for damage and confirm it is seated in the correct groove. Check the five oil-filter-adapter bolts against FCA's 12 N-m specification and document any under-torque condition. If dye confirms a leak at the adapter-to-block interface, follow the current VIN- and model-year-specific FCA service information: the cited guidance calls for O-ring/gasket kit 68191356A$ rather than a complete adapter on covered vehicles other than model year 2014, and calls for adapter replacement on model year 2014. Transfer sensors only when the applicable replacement procedure requires it. Verify the exact suffix and current part by VIN before ordering. Do not buy a housing, cooler, seal kit, or aluminum conversion until the leak source and installed housing are confirmed.
The electronic-throttle-control warning lamp and reduced-power or limp mode are protective responses, not a diagnosis that the throttle body has failed. Depending on the stored DTC and application, the factory path may lead to a stuck or contaminated throttle plate, throttle motor or position-sensor response, accelerator-pedal sensors, a five-volt supply fault, damaged wiring or terminals, or a PCM issue. The old card's thermostat shopping claim is not part of the cited ETC diagnostic path, and a throttle body should not be ordered from the warning lamp alone.
Before clearing anything, record every PCM DTC, pending code, freeze-frame value, battery voltage, temperature, and the exact conditions under which reduced power occurred. Diagnose prerequisite five-volt-supply, throttle-position, accelerator-pedal, or other active faults in the order specified by the current factory procedure for that VIN and engine. For a P2111-style fault, inspect the throttle plate for binding or foreign material and run the scan-tool throttle-follower test, then test the motor circuits, connector terminals, and wiring as directed. For a pedal-correlation code such as P2138, follow the accelerator-pedal sensor and circuit procedure instead. Replace and relearn a throttle body only when the applicable test condemns it; do not buy a thermostat as an ETC rule-out part.
Low engine oil between changes on a 2011-2013 Grand Cherokee 3.6L does not by itself prove that the PCV valve or hose has failed. Chrysler's gasoline-engine diagnostic bulletin requires a formal oil-consumption test first. Only when the vehicle fails that test does the procedure move to checking the complete PCV system for restriction, the correct valve part, and the correct vacuum source; if the PCV system is correct, compression and cylinder leak-down testing follow. The previous card described the PCV system as the primary and most common cause, prescribed an unsupported 30,000-mile replacement interval, recommended a catch can, and attached P052E and P0300 without reviewed FCA support.
Verify the oil was filled to the correct level and document mileage and oil added under Chrysler's oil-consumption test procedure. If the vehicle passes the test, do not replace PCV parts for this concern. If it fails, inspect the full PCV path for restriction, confirm the installed valve is the correct part for the VIN and engine, and verify the correct intake-vacuum source; repair only a fault found in those checks. If the PCV system is correct, record a cylinder-compression test and perform a leak-down test using the applicable service specifications. Also diagnose any visible external leak separately. Do not order a PCV valve, revised hose, or catch can from oil use alone, and do not treat P052E or P0300 as part of this card without an actual scan and code-specific diagnosis.
The 3.6L Pentastar's oil filter housing is an integrated plastic oil-cooler assembly that mounts in the valley under the intake manifold. The plastic warps and becomes brittle from repeated heat cycling — expanding and contracting at a different rate than the aluminum engine — so the gaskets can no longer seal, and the housing can crack (even from over-tightening the oil filter cap). Because the assembly also routes engine coolant through its integrated oil cooler, failures produce oil leaks, coolant loss, and in worse cases oil-and-coolant intermixing. Owners typically first notice oil pooling in the valley/rear of the engine and/or unexplained low coolant. This is one of the most common Pentastar shop repairs; Chrysler discontinued the plastic assembly but never issued a recall. It is a different failure and location from the oil-pan-gasket/oil-pressure-sensor leak, and affects a wide 2011-2023 Pentastar population across WK2 and WL Grand Cherokees.
Replace the failed oil filter housing/oil-cooler assembly. The durable accepted fix is an upgraded all-aluminum housing (e.g., Dorman 926-959, earlier 926-876) rather than the failure-prone plastic OE part, with new housing/cooler gaskets and O-rings and fresh oil/coolant. If oil-coolant intermixing occurred, flush the cooling system and change oil. Because the housing sits under the intake manifold, replacement includes intake removal, so shops often do the intake gasket, spark plugs, and a coolant flush at the same time. Housing-only labor+part runs roughly $400-$900, rising with the added items.
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Routine oil-filter service on a confirmed original-design 2011-2013 Grand Cherokee 3.6L housing Fitment/availability: 68079744AD supersedes 68079744AC/AA/AB and is cataloged for the 2011-2013 Grand Cherokee 3.6L.
Routine oil-filter service on a confirmed original-design 2014 Grand Cherokee 3.6L housing Fitment/availability: 68191349AA is the filter identified by FCA for the changed 2014 design and has later AB/AC supersessions. It is not intercha…
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WK2 (and 5th-gen WL) Grand Cherokees use hydraulic fluid-filled engine mounts. The mounts commonly fail — the internal fluid leaks out (visible reddish-brown residue on the subframe) and the rubber degrades — producing a pronounced vibration felt through the steering wheel, seat, and floor at idle in gear, plus a clunk on acceleration or gear engagement. It is especially prevalent on the 3.6L Pentastar left/front mount, and forums note 2021-2022 units failing repeatedly; a service bulletin exists for the mounts. It is frequently confused with driveline vibration, so both should be checked together.
Inspect the engine mounts for fluid weepage and separated rubber; wet/leaking hydraulic mounts should be replaced (replace in pairs on higher-mileage trucks and inspect the transmission mount at the same time). Use OEM Mopar hydraulic mounts rather than solid rubber aftermarket units, which reintroduce vibration. Re-verify idle smoothness in gear after replacement and confirm the driveshaft/mounts aren't jointly contributing.
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Replacement after inspection confirms the left V6 mount has leaked, separated or developed excessive movement Fitment/availability: 68252518AB replaces 68252518AA/68110950AA-AC/52124671AF and is described as the left-side all-V6 mount. U…
Replacement after inspection confirms the applicable 5.7L mount has failed Fitment/availability: 68252522AA is replaced by AB and the live OEM catalog lists 2016-2021 Grand Cherokee 5.7L applications. Confirm VIN, mount position and curr…
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The 4.7L V8 used in Grand Cherokee models is widely reported to develop broken exhaust manifold bolts or warped manifold sealing surfaces, especially after repeated heat cycles. Owners typically notice a ticking noise on cold start that may quiet as the engine warms, sometimes mistaken for valvetrain noise. Left unrepaired, the leak can worsen and may contribute to exhaust odor or failed emissions inspection.
Confirm the leak with a cold-start inspection, listening near the manifold and checking for soot around the flange and broken fasteners. Repair usually involves extracting broken studs/bolts, resurfacing or replacing the manifold if warped, and installing new hardware and gaskets. Penetrating oil, heat, and careful extraction are often required because broken fasteners in the cylinder head are common.
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Manifold-to-head reseal after the leak side is confirmed and the manifold is removed Fitment/availability: Pair of MLS gaskets cataloged for 1999-2007 Grand Cherokee 4.7L. Confirm VIN and current left/right supersessions; this link does …
Driver-side manifold replacement only when the 1999-2004 WJ manifold is warped or cracked Fitment/availability: Exact 1999-2004 Grand Cherokee 4.7L driver-side kit with gasket and downpipe hardware. Not for 2005-2009 WK and not needed fo…
Passenger-side manifold replacement only when the 1999-2004 WJ manifold is warped or cracked Fitment/availability: Dorman's application is 1999-2004 Grand Cherokee and the kit includes gasket/downpipe hardware. Not for 2005-2009 WK.
Confirm VIN and gasket/hardware separately; not for WJ or revised 2008-2009 4.7L.
Confirm VIN and gasket/hardware separately; not for WJ or revised 2008-2009 4.7L.
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HEMI-equipped Grand Cherokees can develop the characteristic MDS lifter tick. This ticking noise is most noticeable at idle and during light throttle. While often not immediately harmful, it indicates lifter wear from the MDS cylinder deactivation system.
Use quality synthetic oil meeting Chrysler MS-6395 spec. Consider MDS delete kit for permanent solution. Some owners have replaced lifters and camshaft under extended warranty. Regular oil changes help minimize tick progression.
The 3.6L Pentastar uses a two-piece (upper and lower) oil pan, and the upper oil-pan gasket commonly seeps oil down the back of the engine in a pattern that mimics a rear main seal leak. Separately, the engine oil-pressure sensor located in the valley beneath the intake manifold is a frequent leak point. Owners (and even shops) repeatedly misdiagnose these as rear main seal failures, with some reporting multiple needless rear-seal jobs before the upper oil pan gasket or pressure sensor is found to be the true source.
Clean the area and use UV dye to pinpoint the source before disassembly. For an upper oil-pan gasket leak, replace the upper pan gasket (significant labor). For an oil-pressure sensor leak, replace the sensor under the intake manifold. Rule out the oil cooler/filter housing (a separate known leak) so the correct part is fixed the first time.
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Confirm VIN, ERB engine, MDH cutoff and P0520; it is not an oil-pan, rear-main-seal or oil-filter-adapter leak repair.
Six are required; confirm retailer package qua
Six are required; confirm quantity and VIN b
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The 4.0L inline-six routes oil through an aluminum oil-filter adapter housing bolted to the block; its O-rings harden and leak with age, dripping oil down the rear/side of the block. Because the oil migrates rearward, it is very commonly misdiagnosed as a rear main seal or oil-pan leak. One of the most frequent 4.0L oil-leak searches for ZJ/WJ owners.
Replace the oil-filter adapter O-ring kit — Crown Automotive / Mopar 4720363 (a 3-O-ring kit, adapter retained by a T60 Torx bolt). Clean the mating surface first. A popular permanent alternative deletes the adapter housing and runs a shorter PH3614-style filter directly. Confirm the source with the housing area cleaned and dye if needed before condemning the rear main.
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Seal replacement after the oil-filter adapter is confirmed as the first leak source on a 1994-2004 Grand Cherokee 4.0L Fitment/availability: GS33781 contains the three MAHLE seals mapped to the audited 4.0L endpoints.
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Owners of WL-generation Grand Cherokee models have reported persistent airbag warning lights and restraint system messages tied to seat wiring/connectors, especially around second-row or seat-mounted side airbag circuits. FCA also issued safety actions/TSB guidance on certain restraint-related faults in this generation. The practical problem is that the SRS may be disabled or operate improperly until the connector, harness, or module issue is corrected.
Scan the Occupant Restraint Controller for stored codes, then inspect under-seat connectors, terminal tension, harness routing, and any signs of pin drag or intermittent contact. Repairs typically involve connector replacement, terminal repair, harness retention updates, or module/software updates depending on the exact fault. Clearing the light without fixing the root cause usually results in repeat warnings.
A documented recall affected certain 2022-2023 Grand Cherokee and Grand Cherokee L vehicles because steering column intermediate shaft hardware may not have been properly secured. Owners and regulators flagged the possibility of steering separation or loss of steering control, sometimes preceded by looseness, clunks, or abnormal steering feel. Even when symptoms are subtle, this is a serious defect because it directly affects directional control.
Inspect the intermediate shaft connection, pinch bolt torque, and steering column coupling per FCA recall procedure. Dealers replace or correctly secure the shaft hardware and verify steering operation afterward. Any steering play, clunk, or off-center wheel should be checked immediately and the vehicle should not be used until repaired.
The 2014-2015 Grand Cherokee uses a ZF monostable electronic 'E-shift' gear selector that always returns to a center position regardless of selected gear, giving poor tactile/visual feedback. NHTSA tied it to over 300 rollaway incidents and 117 crashes after drivers believed they had shifted into Park but had not. FCA recalled 811,586 vehicles (including 2012-2014 Charger/300 with the same shifter) and added Auto Park software.
Have the recall (NHTSA 16V-240) performed: dealers install software that automatically applies Park when the driver's door opens with the engine running and the seatbelt unbuckled. The shifter was redesigned to a conventional pattern from MY2016. Until the fix, always confirm the 'P' indicator and set the parking brake before exiting.
The clockspring is a plausible shared point when a Grand Cherokee has an airbag warning together with a failed horn, cruise control, or steering-wheel buttons. Factory wiring confirms that those circuits pass through the clockspring/steering-control assembly. That symptom combination does not prove the clockspring has failed, however: an SRS indicator means the restraint controller detected a monitored fault, and horn switches, relays, wiring, connectors, steering-control electronics, airbag circuits, and controller faults require separate diagnosis. The old card also combined 1999-2004 WJ and 2005-2010 WK part numbers without complete catalog or configuration proof.
Treat an illuminated airbag indicator as a safety fault and have the SRS scanned with a restraint-capable tool. Record the exact active and stored DTCs, follow the model-year circuit tree, and test the horn and steering-wheel functions independently before condemning the clockspring. If circuit testing confirms the clockspring/steering-control assembly, select the replacement by VIN, model year, steering-wheel controls, steering-angle-sensor configuration, and current Mopar supersession. The assembly must be centered and the steering wheel kept in the correct position. SRS service can cause accidental deployment: follow the factory disable procedure, isolate the negative battery cable, wait the specified discharge time, and use trained service if you are not qualified. After repair, clear and recheck SRS DTCs and verify every wheel function.
For the ZJ (1993-1998) and WJ (1999-2004) Grand Cherokee, Chrysler mounted the plastic fuel tank behind the rear axle with little rear-structure protection. NHTSA and the Center for Auto Safety documented that these vehicles were far more likely to suffer a fatal post-crash fire in rear impacts. Recall 13V-252 (issued June 19, 2013) covered ~1.56 million 1993-2004 Grand Cherokee and 2002-2007 Liberty vehicles. This is one of the most-searched safety topics for older Grand Cherokees.
Recall remedy (Campaign N45, free at Jeep dealers) installs a factory Mopar trailer-hitch/rear-structure reinforcement that shields the tank in low-to-moderate rear impacts. Owners should verify the recall was completed via VIN at NHTSA/the dealer; if not, have the hitch installed. Note critics consider the fix only a partial mitigation — the tank position is unchanged.
FCA US recalled 2021-2023 Jeep Grand Cherokee L and 2022-2023 Jeep Grand Cherokee models because software in the Central Vision Park Assist Module (CVPAM) may keep the rearview image from displaying when the vehicle is shifted into reverse. With no rear camera image on the center screen, the Grand Cherokee does not meet Federal Motor Vehicle Safety Standard 111, "Rear Visibility." NHTSA's consequence statement is direct: a rearview image that does not display while reversing reduces what the driver can see behind the vehicle and increases the risk of injury or a crash. The campaign as a whole covers 162,713 vehicles across all of the Jeep models included; that figure is campaign-wide and is not a count for the Grand Cherokee alone. FCA's internal recall number is 56A, and owner notification letters went out August 31, 2023.
The repair is a free software update to the Central Vision Park Assist Module, performed by a Jeep dealer. There is no charge for parts or labor. If you did not receive the notification letter mailed August 31, 2023, enter your VIN at nhtsa.gov/recalls to see whether your Grand Cherokee is still open for recall 23V577000, then schedule the CVPAM reflash with any Jeep dealer. FCA US customer service can be reached at 1-800-853-1403; the manufacturer's number for this recall is 56A.
FCA US recalled 121,398 model-year 2023-2024 Grand Cherokee (78,157 units) and Grand Cherokee L (43,241 units) vehicles because the second-row head restraints contain an internal locking mechanism with an interference condition. When the seatback is folded down, the mechanism can stick, leaving the headrest folded forward and unable to lock in the upright position. A head restraint that doesn't lock falls below the federally required minimum height (about 29.5 in) and increases the risk of occupant injury (whiplash/head injury) in a crash, violating FMVSS 202a.
Take the vehicle to a Jeep dealer; they will inspect and, if necessary, replace both second-row head restraints at no charge. Verify whether the second-row headrests fully lock upright after folding the seats; if one stays folded forward, the part needs replacement. Check VIN recall status via NHTSA or Mopar owner site.
The Mercedes-derived W5A580 (NAG1) 5-speed automatic used in WK and early WK2 Grand Cherokees is mechanically strong but suffers well-documented electronic and fluid-related failures. Faulty conductor-plate speed sensors and shift-pressure solenoids drop the transmission into limp mode (stuck in a single gear). Contaminated or degraded fluid (including water intrusion past the dipstick/fill-tube seal) causes torque-converter-clutch shudder, harsh or delayed shifts, and a knock on coasting downshifts. The 13-pin connector adapter can also leak, wicking fluid into the harness by capillary action.
Scan for transmission codes; for limp mode inspect/replace the conductor plate (with integrated speed sensors) and any failed shift solenoid, and replace the 13-pin connector adapter/seal if leaking. Perform a full fluid-and-filter service with the correct ATF (MB 236.x / Mopar spec). Address water intrusion at the fill tube. Severe internal damage from prolonged shudder may require a rebuild.
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Conductor-plate replacement after N2/N3 sensor or plate-circuit diagnosis on a confirmed NAG1 Fitment/availability: Dorman cross-references Chrysler 52108308AC and 68021352AA. Confirm the installed W5A580/NAG1 and sales code; Dorman 917-…
Case-connector sleeve replacement when leakage/fluid wicking is confirmed or the sleeve is disturbed Fitment/availability: Exact 722.6/NAG1 13-pin adapter. Confirm the installed transmission and connector; inspect the harness and TCM for…
Internal sump-filter replacement during a properly scoped NAG1 pan service Fitment/availability: The catalog includes specified 2005-2013 Grand Cherokee applications but also combinations using other transmissions; confirm the NAG1 tag/V…
Replacement pan gasket during a confirmed NAG1 service Fitment/availability: Crown 52108332AA is cataloged for specified 2006-2013 Grand Cherokee W5A580/NAG1 applications. Confirm the installed transmission and inspect the pan before ord…
Conditional fluid for a confirmed U.S.-specification NAG1/DGJ service that calls for MS-9602 ATF+4 Fitment/availability: Mopar 68218057AC, one quart. Verify the installed transmission, market and service specification before filling; do …
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DaimlerChrysler TSB 08-016-05 describes an internal TCM circuit fault that may cause an intermittent low-line-pressure or gear-ratio DTC and limp-in on a specific 2004 WJ/WG Grand Cherokee population. The vehicle must have the 545RFE (sales code DGQ), a 4.7L or 4.7L High Output engine, and fall within the bulletin's April 7, 2004 through February 27, 2005 vehicle build range. Suspect TCMs have date codes 0984 through 0405. This is not a universal 1999-2010 transmission-overheating/shudder diagnosis, and it does not justify buying filters, fluid, a cooler, valve-body kits, or a solenoid pack from the symptom alone.
Confirm the VIN build record, 545RFE sales code DGQ, stored transmission DTCs, and TCM event data. Read digits three through six of the TCM barcode; TSB 08-016-05 identifies 0984 through 0405 as the suspect controller build range. If the vehicle or controller date is outside scope, the bulletin does not apply and the transmission complaint needs its normal diagnostic path. For an in-scope vehicle, use the bulletin's P0868/gear-ratio decision path and compare desired, scan-reported actual, and mechanically measured line pressure with correct fluid level and temperature. Inspect wiring, connectors, cooler lines, leaks, and engine driveability first. The repair may involve the TCM and, when low pressure was present, inspection for clutch-disc damage; it is not a universal retail-parts fix. No commerce links are shown until those findings identify the required repair.
The ZF 8HP 8-speed automatic transmission can exhibit harsh shifts, hesitation, or erratic behavior. Some owners report the transmission hunting between gears or feeling like it's in the wrong gear for the driving conditions.
Update transmission software to latest calibration. Perform fluid change with ZF-approved ATF. Adaptive learning reset may improve shift quality. If issues persist, valve body inspection or replacement may be needed.
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Confirm the transmission service information, required quantity and fill-temperature procedure; never substitute ATF+4 or use this as authorization for a flus
Integrated pan/filter replacement for the confirmed 845RE or 850RE branch during a proper service Fitment/availability: Crown catalogs 52854834AB for 2014-2021 WK2 845RE and 2017-2022 850RE applications. Confirm transmission code and VIN…
Integrated pan/filter replacement for the confirmed 8HP70/8HP75 branch during a proper service Fitment/availability: The Jeep catalog associates this pan/filter family with specified 3.0L diesel, 5.7L and 6.4L applications. Confirm VIN a…
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Certain 2014-2020 Jeep Grand Cherokee (WK) vehicles with the 3.0L diesel engine are included in safety recall Z46 / NHTSA 22V-406. The high-pressure fuel pump can fail prematurely and introduce internal debris into the fuel system, causing fuel starvation. FCA says occupants may notice a malfunction indicator lamp, a fuel leak, abnormal engine noise, or a change in drive quality; fuel starvation can cause an unexpected loss of motive power and increase crash risk. Recall inclusion is VIN-specific. The prior card incorrectly included 2021-2023 vehicles and treated an old pump number plus a retail injector set and filters as a universal repair.
Check the VIN for open recall Z46 and schedule the free repair with an authorized Jeep dealer. FCA's procedure is condition-dependent: a vehicle delivered in good running condition receives the campaign HPFP and associated non-contaminated-system service, while a non-running vehicle is diagnosed for pump failure and, when contamination is confirmed, receives the pump, in-tank modules, filters, injectors, rails, high-pressure tubes, fuel-system cleaning, and other campaign items specified for that vehicle. If the vehicle stalls, loses power, leaks fuel, or will not restart, move it to a safe location, shut it off, and arrange a tow rather than continuing to run the engine. Do not buy a retail CP4 pump, injector set, or filter bundle before VIN eligibility and contamination status are established.
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The combined in-tank fuel pump / level-sender module on the WJ Grand Cherokee wears out with age: the pump loses pressure (needs ~49-58 psi) causing crank-no-start or hot stalling, while the integrated sending-unit float/resistor card fails causing erratic or stuck fuel-gauge readings. Both a no-start and a jumpy fuel gauge are heavily searched WJ complaints and often the same module.
Fuel-pressure test before replacing. Replace the complete in-tank fuel pump module assembly (Mopar module by application, or quality aftermarket Airtex/Spectra/Delphi for 1999-2004 WJ) rather than just the pump. If the gauge stays erratic after replacement, check the tank-to-cluster wiring/grounds and the instrument cluster gauge circuit. Avoid bending the float arm on install.
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Complete module replacement after vehicle-side electrical, pressure/volume and sender diagnosis confirms failure Fitment/availability: The exact page lists 5018056AC with 5012380AD and multiple OE/aftermarket crosses for 1999-2004 WJ 4.0…
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On the WK2 Jeep Grand Cherokee with the 3.6L Pentastar V6, P0171 (and frequently P0174 alongside it) is most commonly triggered by unmetered air entering the engine through a deteriorated intake manifold gasket or a cracked/warped plastic intake manifold. The Pentastar's rubber-and-plastic gaskets become brittle from years of heat cycling and crack, letting in extra air so the upstream O2 sensors report a persistent lean condition. A closely related contributor is the notorious oil filter housing/oil cooler adapter in the engine valley (under the intake manifold) cracking, which is usually addressed at the same time since the intake has to come off. Some early cases are resolved with a PCM software update before parts are replaced.
Smoke-test the intake to confirm the vacuum leak, then replace the intake manifold gasket set (and the plastic intake manifold itself if cracked/warped). Because access requires removing the intake, shops commonly replace the leak-prone oil filter housing at the same time. Check for any available PCM software update first, and verify fuel trims return to normal after the repair.
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Seal replacement after smoke testing confirms leakage at a compatible 3.6L intake-manifold joint Fitment/availability: Mopar 68535427AA is sold as a 12-piece kit containing six upper and six lower seals and is cataloged for the audited 2…
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The WK2 uses a saddle-style fuel tank with two fuel-level senders (one per lobe). The sender floats/rheostats stick or wear, and the PCM flags a sender that no longer tracks fuel consumption, setting P2068 (or related P0461/P0463) and a 'Service Fuel Level Sensor' message. Symptoms include a gauge stuck on Full or Empty, wildly bouncing readings, and an inaccurate Distance-to-Empty. It usually doesn't affect running but can strand an owner who trusts a stuck-full gauge, and it commonly requires dropping the tank to access the sender/module.
Scan for P2068/P0461/P0463 and confirm which sender is faulty. Inspect the sender for a stuck float and check connector/wiring; some intermittent stuck floats free up, but a failed sender requires replacement of the affected fuel-level sensor/sender module (often the in-tank pump/sender assembly), which typically means lowering the fuel tank. Recalibrate/verify gauge sweep after repair.
WK2 Grand Cherokees use a capless (Easy Fuel) filler neck with a spring-loaded flapper door and an internal one-way check valve. Over time the flapper mechanism sticks or fails to seal, and the check valve at the tank inlet can hang up, causing the fuel pump nozzle to click off repeatedly and refuse to fill the tank — the classic 'won't take gas' complaint, often worse with modern ORVR pump nozzles. FCA revised the filler-neck part number multiple times, indicating a recognized design weakness. Beyond the fueling nuisance, a poorly sealing filler can contribute to EVAP (P0455/P0456) complaints.
Inspect the capless filler neck flapper and internal check valve; clean debris and verify the flapper closes/seals. If it sticks or the nozzle keeps clicking off, replace the capless fuel filler neck with the latest revised part. As a temporary field workaround owners report inserting the nozzle more slowly (or gently holding the flapper open) — but the durable fix is filler-neck replacement. Rule out a plugged EVAP/vent restriction if fill problems persist after replacement.
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The TSB's engine-code and year branch controls; verify VIN/current supersession.
The live listing is genuine/new; use the TSB and VIN/engine sales code rather than its broader compatibility table.
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Multiple 2022-2024 Grand Cherokee and Grand Cherokee L vehicles were recalled for rear coil springs that may not have been installed correctly, allowing the spring to detach from its upper mount. Owners reported a loud bang from the rear, sudden sagging ride height, and in some cases tire contact with the wheel well. This is a real safety issue because it can affect handling and can damage the tire, increasing crash risk.
Inspect rear ride height, spring seating, upper isolators, and any signs of spring displacement or tire rub. Vehicles covered by the recall receive inspection and replacement of the rear coil spring assemblies as needed, along with related hardware if damaged. If symptoms appear before recall service, the vehicle should not be driven until the rear suspension is checked.
Quadra-Lift is a closed, electronically controlled air-suspension system, so a Service Air Suspension message, a low corner, or a denied height change does not identify one universal failed part. The factory diagnostic path covers electrical and communication faults, fuses and voltage, pinched or damaged lines, leaking springs, disconnected sensor linkages, water or blockage in the compressor intake, air-mass loss, valve/compressor faults, software, and the Air Suspension Control Module. The prior card also incorrectly treated SRT and Trackhawk as automatic Quadra-Lift applications; applicability should be established by sales code SER or the vehicle build sheet.
Confirm the vehicle is equipped with Quadra-Lift sales code SER, record the exact ASCM DTCs and environmental data, and check VIN/build-date-specific FCA bulletins before ordering hardware. Follow the factory sequence: repair voltage or communication faults first; inspect fuses, air lines, springs, height-sensor linkages, compressor intake/filter, and visible plumbing; then use a capable scan tool to run the Air Mass and Air Ride Height routines and follow the DTC-specific tree. On 2011-2012 vehicles built before May 1, 2012, U0415-00 or C159E-15 with a Service Air Suspension message may be addressed by FCA TSB 08-034-12's ASCM software update. Replace only the component proven failed. A completely depleted system requires the specified refill equipment, scan-tool procedure, and purity-class-5 nitrogen; do not fill it with ordinary shop air or shotgun-replace springs, sensors, and the compressor.
A WK2 front-end clunk over bumps, during braking, or while steering can come from more than the sway-bar links or lower control arms named in the old card. The source can vary with loading and may involve a stabilizer link or bushing, control-arm bushing, ball joint, tie-rod end, shock or upper mount, wheel bearing, loose fastener, brake hardware, or another nearby component. Standard and high-performance suspension packages also use different side-specific parts. Ordering four components from the noise alone risks replacing good parts while leaving a safety-relevant loose joint in service.
Record when the noise occurs and reproduce it safely on a controlled road test. With the vehicle supported according to the factory procedure, inspect wheel and tire security, brake hardware, steering linkage, stabilizer links and bushings, control-arm bushings, upper and lower ball joints, shocks and mounts, wheel bearings, subframe attachment, and nearby shields or loose hardware. Check joints and bushings in the loaded and unloaded positions specified by the service manual, and use chassis ears or controlled isolation when visual play is not obvious. If steering looseness, wheel movement, instability, or a damaged joint is present, stop driving until repaired. Replace only the confirmed failed component using the VIN, side, suspension sales code, and current supersession; torque at the specified ride-height condition and perform an alignment when the repair procedure requires it.
Front wheel hub/bearing assemblies are a recurring wear failure on the WK2 Grand Cherokee, producing a humming, whining, or growling noise that rises with road speed (commonly noticeable from about 35-50 mph) and often changes pitch when the vehicle is loaded or steered left/right. The integrated hub/bearing units wear relatively early, and owners frequently report needing replacement on one or both front corners. Left unaddressed the bearing can develop play and eventually trigger ABS/traction warnings or, in severe cases, lead to hub damage.
Confirm the failing corner by listening for the speed-dependent hum and checking for bearing play; the noise typically worsens when turning toward the good side. Replace the affected front hub/bearing assembly (sold as a complete unit). Replacing in pairs is common when both have similar mileage. Verify ABS sensor function after replacement.
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Confirm VIN/platform and the failed corner; not for a new-body WL.
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On the WJ the automatic-transmission fluid cooler is integrated inside the radiator end tank. As the radiator ages the internal cooler barrier fails, allowing engine coolant and ATF to intermix under pressure. The result is a pink/tan 'strawberry milkshake' in both the transmission and cooling system. Coolant (ethylene glycol) in the transmission destroys clutch material and can ruin the 42RE/45RFE if not caught quickly.
Stop driving once contamination is found. Replace the radiator (OEM Mopar radiator by application, or aftermarket CSF/Spectra/Koyorad for 1999-2004 WJ) and thoroughly flush the cooling system. Flush/replace ATF and the transmission filter multiple times; badly contaminated transmissions need a rebuild. Many owners add an external auxiliary trans cooler and bypass the in-radiator cooler to prevent recurrence.
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Radiator replacement after an internal cooler breach is confirmed on a compatible 4.0L WJ Fitment/availability: Spectra CU2262 is manufacturer-cataloged for 1999-2004 Grand Cherokee Laredo 4.0L applications and identifies a plated transm…
Radiator replacement after an internal cooler breach is confirmed on a compatible 4.7L WJ Fitment/availability: Crown 52079883AB is explicitly listed for 2001-2004 Grand Cherokee WJ 4.7L gasoline. Confirm VIN, cooler fittings and product…
Confirm the transmission is 42RE and obtain the correct pan gasket/seal separately if it is not included.
It does not replace the separate cooler-return spin-on filter; confirm transmission and VIN.
Confirm the WJ transmission and current supersession; this is not the sump filter.
Correct-specification replacement fluid during a measured, specialist-directed transmission recovery service Fitment/availability: 68218058AC is Mopar ATF+4 in a five-liter container. Determine the actual service quantity and whether flu…
Confirm the underhood label/owner manual and calculate total quantity; do not mix with incompatible coolant chemistry or add water to this premix.
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The water pump on the 3.6L Pentastar V6 can fail, causing coolant leaks and overheating. The pump is internal and driven by the timing chain, making replacement labor-intensive. Failure often occurs between 80,000-120,000 miles.
Replace water pump when symptoms appear or preventatively during timing chain service. Replace thermostat at same time. Consider replacing timing chain tensioners and guides if high mileage. Ensure proper cooling system bleeding after repair.
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Early-branch pump replacement after a confirmed external water-pump failure Fitment/availability: The exact page identifies 5184498AI for 2011-2015 WK2 3.6L applications. Confirm VIN, build and current OE supersession; do not infer fit f…
Later-branch pump replacement after a confirmed external water-pump failure Fitment/availability: The live catalog covers 2016-2025 Grand Cherokee 3.6L applications. Confirm VIN, ESS equipment/build and current supersession before purcha…
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The integrated plastic-housing thermostat on the 3.6L Pentastar commonly fails stuck open or opens too early, so the engine never fully reaches operating temperature. The ECM sets P0128 (coolant temp below thermostat regulating temperature), and the driver gets weak cabin heat, sluggish warm-up, lower fuel economy, and increased oil contamination. It is one of the most frequently searched check-engine complaints on these engines and is an inexpensive, DIY-friendly fix.
Replace the thermostat (integrated into the Mopar thermostat housing, e.g. 5184651AH-family for 3.6L) using an OEM-grade unit, then properly bleed all air from the cooling system via the bleeder. Verify the coolant temperature sensor and confirm correct coolant level before condemning the thermostat. Clear P0128 and confirm the engine reaches full temp over a few drive cycles.
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Thermostat-housing replacement after temperature-data diagnosis confirms a thermostat or housing fault Fitment/availability: 5184651AH is replaced by 5184651AJ and the live Jeep catalog covers the audited 2011-2021 WK2 3.6L branch. Confi…
Confirm chemistry and calculate concentrate/distilled-water quantity; do not mix it with OAT or pour concentra
Confirm the exact vehicle chemistry; do not add water to premix or mix it with HOAT.
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On the new WL-generation Grand Cherokee and Grand Cherokee L, two assembly defects can cause loss of steering control. Upper control arm (UCA) pinch bolts damaged during assembly can break and let the UCA separate from the steering knuckle, dropping the wheel outboard. Separately, an incorrectly assembled steering column intermediate shaft can disconnect from the U-joint. Combined recalls cover well over 400,000 vehicles.
Have the open recalls performed: NHTSA 23V-352 replaces the steering column intermediate shaft / U-joint assembly, and 24V-131 (with related campaigns) inspects and replaces the upper control arm pinch bolts free of charge. Address any steering play or clunking immediately rather than waiting.
WJ Grand Cherokees are well known for failing power window regulators, often due to broken plastic guides, cable failures, or regulator track issues. Owners frequently report a loud pop followed by the window dropping into the door or becoming crooked and inoperative. Failures are common on multiple doors over the life of the vehicle.
Remove the door panel and inspect the regulator assembly, cable, and glass mounts. The standard repair is replacement of the complete regulator, often with an updated aftermarket metal-reinforced unit; inspect the switch and motor only if the regulator mechanism is intact. Replacing vapor barrier adhesive and checking door drains helps prevent moisture-related repeat issues.
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Front driver-door complete assembly after mechanical regulator failure is confirmed Fitment/availability: 2000-2004 Grand Cherokee front left; crosses OE 55363287AA-AE. Not interchangeable with the other three doors.
Front passenger-door complete assembly after mechanical regulator failure is confirmed Fitment/availability: 2000-2004 Grand Cherokee front right; crosses OE 55363286-series. Not interchangeable with front left or either rear door.
Rear driver-door complete assembly after mechanical regulator failure is confirmed Fitment/availability: 2001-2004 Grand Cherokee rear left. Not approved for model-year 2000 without OE/VIN confirmation and not interchangeable with rear r…
Rear passenger-door complete assembly after mechanical regulator failure is confirmed Fitment/availability: 2001-2004 Grand Cherokee rear right; crosses OE 55363284AA-AD. Not approved for model-year 2000 without OE/VIN confirmation and n…
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Owners have reported the hands-free/power liftgate on the WL Grand Cherokee opening unexpectedly, reversing while closing, beeping without completing the cycle, or failing to latch. Reports point to latch alignment issues, pinch-sensor calibration problems, weak struts, or software/body control faults. While not usually catastrophic, it is a recurring nuisance and can create injury risk or battery drain if the gate remains ajar.
Check for stored body/liftgate module faults, verify latch alignment and striker position, inspect pinch sensors and wiring in the hinge area, and test strut force. Dealers often address this with software updates, latch adjustment, sensor replacement, or liftgate module relearn procedures. If the gate bounces back or will not latch, avoid forcing it repeatedly because that can damage the cinch motor.
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Power-liftgate latch/cinch replacement after switch and mechanical testing confirms failure Fitment/availability: The exact catalog identifies 68364385AE as the with-power-liftgate latch for specified 2022 applications. Confirm VIN and W…
Driver-side support replacement after measured weakness, leakage or binding is confirmed Fitment/availability: 2022-2025 Grand Cherokee with power liftgate, driver side. Confirm VIN and installed power-liftgate hardware; it is not the pa…
Passenger-side support replacement after measured weakness, leakage or binding is confirmed Fitment/availability: 2022-2025 Grand Cherokee with power liftgate, passenger side. Confirm VIN and installed hardware; it is not the driver supp…
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ZJ (1993-1998) and especially WJ (1999-2004) Grand Cherokees in salt/rust-belt climates are notorious for corrosion of the rocker panels, rear quarter/wheel-arch lips, floor pans and rear cargo area. Because these are unibody structures, the rot is both cosmetic and structural, and it is a very common reason high-mileage examples fail inspection or get retired.
Cut out corroded metal and weld in replacement panels: aftermarket rockers (Key Parts 0484-101 driver / 0484-102 passenger for 99-04 WJ) and rear wheel arches (Key Parts 0484-147), plus floor-pan sections as needed (Mill Supply / Classic 2 Current). Requires welding — professional bodywork recommended. Undercoat afterward and keep the rocker/pinchweld drain holes clear to slow recurrence.
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Left outer-skin component in a body-shop-confirmed repair with sound or separately repaired inner structure Fitment/availability: 0484-101 is the left/driver WJ panel and the live listing identifies 1999-2004 Grand Cherokee compatibility…
Right outer-skin component in a body-shop-confirmed repair with sound or separately repaired inner structure Fitment/availability: 0484-102 is the right/passenger WJ panel and the live listing identifies 1999-2004 Grand Cherokee compatib…
Left outer-skin component in a body-shop-confirmed repair with sound or separately repaired inner structure Fitment/availability: 0483-101 is the left/driver ZJ panel and the live listing identifies 1993-1998 Grand Cherokee/Grand Wagonee…
Right outer-skin component in a body-shop-confirmed repair with sound or separately repaired inner structure Fitment/availability: 0483-102 is the right/passenger ZJ panel and the live listing identifies 1993-1998 Grand Cherokee/Grand Wa…
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On WK2 Grand Cherokees the sunroof/panoramic roof drain tubes kink, slip off, or clog with debris and slime at the lower reducer fittings. When the drains back up, water overflows the roof track and runs down the A-pillars into the headliner and floor, soaking carpet and risking mold and electrical module corrosion. The lower hose hidden near the driver kick panel is a frequent partial-clog point.
Clear the front and rear drain tubes with low-pressure compressed air or a flexible line (avoid high pressure, which can pop the tube off the roof). Re-seat or replace cracked/disconnected tubes; some require partial headliner removal. Dry the carpet/underlayment fully to prevent mold and protect floor electronics.
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Rear-left hose replacement after a confirmed crack, kink or failed connection on an early-WK2 panoramic roof Fitment/availability: 68069325AB replaces AA and is the rear driver-side branch for 2011-2013 Grand Cherokee; confirm GWJ panora…
Rear-right hose replacement after a confirmed crack, kink or failed connection on an early-WK2 panoramic roof Fitment/availability: 68069324AB replaces AA and is the rear passenger-side branch for 2011-2013 Grand Cherokee; confirm GWJ pa…
Front-right hose replacement after damage is confirmed in the 2014-2015 branch Fitment/availability: 68243620AA is the passenger-side front hose for cataloged 2014-2015 Grand Cherokee applications and replaces 68175016AB. Confirm roof op…
Rear-left hose replacement after damage is confirmed on the later-WK2 panoramic roof Fitment/availability: 68175021AA is the rear driver-side GWJ branch for cataloged 2014-2021 Grand Cherokee. Confirm panoramic roof code and VIN; GWA sin…
Rear-right hose replacement after damage is confirmed on the later-WK2 panoramic roof Fitment/availability: 68175020AA is the rear passenger-side GWJ branch for cataloged 2014-2021 Grand Cherokee. Confirm panoramic roof code and VIN; GWA…
Front-left hose replacement after damage is confirmed in the 2016-2021 branch Fitment/availability: 68251825AA supersedes to AB and is the driver-side front hose for cataloged 2016-2021 Grand Cherokee. Confirm roof option, side and VIN; …
Front-right hose replacement after damage is confirmed in the 2016-2021 branch Fitment/availability: 68251824AA is the passenger-side front hose for cataloged 2016-2021 Grand Cherokee. Confirm roof option, side and VIN; it is not the 201…
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On 5th-gen WL Grand Cherokee and Grand Cherokee L with the dual-pane panoramic sunroof, water can leak into the headliner and A-pillar areas. Chrysler issued TSB 23-102-23 for 2021-2023 units built on or before Feb 6, 2023, identifying the wind deflector assembly as a cause: it can trap the sunroof panel and create a poor seal. Clogged front/rear sunroof drain channels are a second common cause, allowing water to seep into the headliner and pillars and potentially reach electrical components. A related TSB (23-035-21) addresses sunroof rattle from loose mounting fasteners on early 2021 builds.
Per TSB 23-102-23, have the dealer replace the wind deflector assembly with the updated part. Independently, clear the front and rear sunroof drain tubes of debris to restore drainage. For sunroof rattle on early builds, TSB 23-035-21 replaces the sunroof mounting fasteners. Address leaks promptly to avoid wet headliner, mold, and corrosion of nearby electrical connectors.
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TSB 23-102-23 repair after confirming the trapped-deflector leak on an in-scope WL with GWJ Fitment/availability: 68518680AC supersedes AA/AB. Confirm WL platform, February 6 2023 build cutoff, GWJ sales code, trapped-deflector condition…
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Water found in a WK2 Grand Cherokee cargo well, under the cargo floor, or near a rear pillar is a symptom, not proof that one grommet, weatherstrip, lamp gasket, antenna seal, or roof seam has failed. The factory water-leak procedure warns that water can travel through body cavities and appear far from the true entry point. The old card's shopping list could therefore send an owner to four unrelated products before the leak location was established.
Dry the accessible area enough to see a new water track, protect affected electrical connectors and modules, and reproduce the conditions under which the leak occurs. Follow the factory water-leak procedure: visually inspect plugs, drains, alignment, seams, seals, and grommets; test one region at a time with an appropriate low-pressure stream or fan spray; remove trim only as needed for safe visual access; and trace the highest fresh water track to its actual entry point. Repair, reseat, or replace only the confirmed failed seal, seam, fastener, drain, weatherstrip, glass bond, lamp seal, or wiring pass-through using the current factory procedure and specified material. Dry wet insulation, inspect exposed terminals for corrosion, and repeat the water test before closing the trim. Do not smear generic RTV across several unconfirmed paths.
On a 2008 Jeep Grand Cherokee 4WD with the 4.7L V8, clicking, grinding with visible CV grease, a load-related thump or vibration, and front-axle whine or growl are not one failure and do not identify one repair part. A torn CV boot and contaminated joint, an outer CV joint, drivetrain mount or hardware movement, axle or differential bearings, and internal front-axle gear wear require different repairs. The previous card incorrectly described a common 2005-2010 failure with mileage and cost predictions, then assigned universal right, open-differential left, ELSD left, and mount parts even though catalog fitment changes with side, limited-slip equipment, and axle family.
First confirm the vehicle is a 2008 4WD 4.7L model and identify its front axle and differential equipment from the VIN, build data, and sales codes. Reproduce the sound during a tight turn under power and under acceleration, constant load, deceleration, and coast. Inspect both CV boots for tears and grease, then check the joints, shafts, differential mounts, and related hardware for play or movement. If build data confirms the C200F front axle, follow the cited service-manual road test: warm the axle lubricant, compare the sound under load and coast, and inspect lubricant level plus ring-gear backlash and gear condition when the pattern points inside the axle. For a different axle family, use its specific service procedure. Turn the vehicle in both directions to load the axle bearings and compare the noise. Order a CV axle only after the failed side and limited-slip configuration are confirmed; order differential bearings, seals, or gears only after the axle family and internal fault are measured. Differential setup is specialist work, so do not buy a kit from noise alone.
Grand Cherokee 4x4 differentials (and the transfer case) are a known spot for pinion-seal leaks — owners find gear oil weeping where the driveshaft meets the diff, leaving puddles and, if ignored, running the diff low on lube. A low/contaminated differential then produces a speed-related whine or howl (rising on acceleration or deceleration depending on which gear/bearing is loaded). RepairPal documents many pinion-seal/transfer-case leak cases on the platform. A caution: careless seal replacement (over-torquing the pinion nut and crushing the collapsible spacer) destroys pinion-bearing preload, so the repair must be done correctly.
Inspect the front and rear diff pinion flanges and transfer-case output for gear-oil weepage; confirm fluid level. Replace the leaking pinion seal, marking pinion-nut position/turns to preserve preload (or setting new preload with a fresh crush sleeve) to avoid bearing damage. If gear whine is already present from prior low-lube running, evaluate the ring/pinion and bearings and refill with the correct spec gear oil. Address any transfer-case seal leaks at the same time.
WK2 Grand Cherokees commonly develop a speed-dependent driveline vibration or shudder felt through the floor/seat, typically appearing around 45-75 mph and often worse under light acceleration or on deceleration. The rear driveshaft uses CV-style joints and a splined slip section; grease can migrate out of the slip joint and collect in the rubber accordion boot, the CV joints wear or bind, and the center support/CV angles fall out of spec, all producing the vibration. Motor and transmission mounts (which also fail on these trucks) can amplify or mimic the symptom, complicating diagnosis. Heavier V8/SRT/Trackhawk models with more torque tend to surface it sooner.
Diagnose by roadtest and by inspecting the rear propshaft: clean redistributed grease out of the slip-joint boot and re-grease the slip yoke, check CV joints for play/binding, and verify driveshaft/pinion angles and center bearing condition. Rebalance or replace the rear driveshaft assembly if joints are worn. Confirm engine and transmission mounts are not collapsed (a frequent contributor). Replacing a worn rear driveshaft or reconditioning the slip joint typically resolves it.
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Complete-shaft replacement after inspection confirms a non-serviceable joint, tube or balance/runout fault in the exact branch Fitment/availability: The live OEM page supersedes 52123627AA to 52123627AC. Confirm VIN, 3.6L/5.7L applicatio…
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The WJ's on-demand NV247 (Quadra-Trac II) and full-time NV242 (Selec-Trac) transfer cases suffer fluid leaks from the case split-line, rear output slip-yoke seal and a plugged vent, plus a pressure/heat issue: many 1999 units were filled with the WRONG fluid from the factory. Low/incorrect fluid leads to the NV247's progressive coupling binding, chatter on turns and eventual internal wear.
Keep the transfer case topped and use the correct fluid — the NV247 requires Mopar/NV247 ATF (equivalent to Mobil 424 hydraulic-tractor fluid), NOT ordinary gear oil. Fix leaks by replacing the rear output/slip-yoke seal and resealing the case halves, and clear/replace the plastic vent cap so pressure can't push fluid past the seals. Verify factory fill on early 1999 units.
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Correct fluid for a tag-confirmed NV247 transfer case in the audited 2001-2004 WJ retail branch Fitment/availability: Current product is 05016796AE replacing AA-AD/68065072AA and is explicitly listed for 2001-2004 WJ. Buy the service-man…
Correct fluid for a tag-confirmed NV242 transfer case Fitment/availability: 68218058AC is ATF+4 and the WJ owner/service information specifies ATF+4 for NV242.
Seal replacement only after cleaning and inspection confirms the NV247 rear output is the leak source Fitment/availability: Crown 4897298AA is listed for 1999-2004 WJ 4.0L/4.7L with NV247. Verify the case tag, shaft/yoke surface, vent op…
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Grand Cherokees with the two-speed Quadra-Trac II / Quadra-Drive II transfer cases throw a 'Service 4WD System' message when the transfer-case shift actuator motor (or the transfer-case control module) fails, leaving the vehicle unable to engage Low range or Neutral and sometimes producing a grinding noise. Owners and shops report it is difficult to diagnose: replacing the actuator motor does not always fix it, and some vehicles ultimately need a transfer case. Codes such as C140F are associated with the actuator failure. It is a high-demand complaint because the warning is alarming and the off-road/low-range function is lost.
Scan for transfer-case actuator/control codes (e.g., C140F) before parts replacement. The shift motor is accessible after removing the belly skid guards (four bolts and a connector) and is the first replacement; if the fault persists, test the transfer case control module and wiring, and inspect the actuator's internal encoder ring/case for damage before condemning the whole transfer case. Verify any applicable recall coverage tied to the fault code.
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Actuator replacement only after scan data and commanded testing confirm a motor or encoder failure Fitment/availability: Cataloged for 2011-2022 Grand Cherokee applications. Confirm VIN, transfer-case sales code and connector before purc…
Control-module replacement only after circuit and network diagnosis condemns the module Fitment/availability: The live catalog limits this part number to specified 2012-2013 applications and requires VIN confirmation. Do not apply it to …
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A DEF/SCR warning or reductant-system DTC on a 2014-2016 Grand Cherokee EcoDiesel does not prove that the complete DEF tank has failed. FCA documentation shows materially different causes and remedies within this model range: one defined 2015 population received PCM software and a fluid-level reset for reductant codes, while a separate, narrowly defined 2015 VIN/build population with manufacturing contamination required several DEF/SCR components. Eligible vehicles that received the Approved Emissions Modification may also have extended-warranty coverage for multiple DEF-system parts and diagnostic scanning. The previous card collapsed all of these paths into one integrated-tank diagnosis and published two unverified retail searches.
Record the exact DTCs, freeze-frame data, warning text, VIN, build date, and current PCM software level. Have an EcoDiesel-capable shop or Jeep dealer follow the code-specific FCA diagnostic procedure and check whether a VIN-specific service action, applicable software update, or AEM extended warranty applies. Do not infer a failed tank from P20E8, P204F, P20EE, or another reductant code alone: verify the relevant pressure, heater, level/temperature input, fluid quality/contamination, delivery line, injector, SCR catalyst, wiring, and control-software path specified for that VIN. Replace only the component the tests and applicable FCA procedure identify. No retail part is published until the failed component and VIN fitment are confirmed.
FCA TSB 18-001-26 covers a 2018 WK Grand Cherokee equipped with the 6.2L supercharged ESD engine and 8HP95 DFS transmission when P0420 and/or P0430 is stored. A customer may also report reduced engine power associated with catalyst damage and restricted exhaust flow. The bulletin identifies PCM software as the cause addressed by its repair procedure. It does not apply to the 3.6L Pentastar population in the old card and does not name an upstream or downstream oxygen sensor as the repair.
Confirm the vehicle is a covered 2018 WK with engine sales code ESD and transmission sales code DFS, save the DTC and freeze-frame information, and check the VIN and current calibration level. Follow FCA TSB 18-001-26: maintain the specified battery voltage, reprogram the PCM with the latest software using wiTECH or equivalent, and clear DTCs set during programming. If P0420/P0430 returns, exhaust restriction or loss of power remains, or other DTCs are present, continue with the current factory catalyst, fuel-control, misfire, exhaust-leak, and sensor diagnostics for the exact vehicle. Do not buy oxygen sensors or catalytic converters from the code alone.
The Jeep Grand Cherokee uses a Natural Vacuum Leak Detection (NVLD) approach for its EVAP system, implemented through the Evaporative System Integrity Module (ESIM) — commonly called the leak detection pump. The ESIM is a standalone unit (typically mounted on the charcoal canister near the rear driver-side wheel well) that seals the fresh-air vent and uses natural temperature-induced pressure changes to verify the fuel-vapor system holds vacuum. The internal seal/diaphragm and check mechanism in the ESIM are a well-documented common failure point on Chrysler/Jeep platforms. When the unit fails, the PCM cannot complete its EVAP self-test and falsely reports an EVAP leak, illuminating the check engine light even though no actual leak exists. Because the same codes are thrown by a loose or worn gas cap, the failure is frequently misdiagnosed: owners (and even shops) replace the gas cap first, the light returns, and the actual ESIM/leak-detection-pump fault is missed. A simple field test is to remove the ESIM and shake it — a rattle indicates the internal valve has come loose and the unit needs replacement. Note that the EVAP purge-valve hose on top of the engine also becomes brittle and cracks (covered by Jeep TSBs #25-002-15 REV-B and #18-035-20), producing the same codes, so the hose should be inspected before condemning the ESIM. This is an emissions-only fault: it does not harm the engine or transmission but will fail a state emissions/smog test.
Diagnose before replacing parts. (1) Inspect/re-tighten or replace the gas cap and confirm it clicks and seals — rule out the cheapest cause first. (2) Visually inspect the thin plastic EVAP purge-valve hose on top of the engine for cracks/splits (especially at connection points) per TSB #25-002-15 REV-B; replace if brittle/cracked — this alone fixes many cases. (3) Locate the ESIM/leak detection pump (on the charcoal canister near the rear driver-side wheel well); remove and shake it — if it rattles, the internal valve has failed and the module must be replaced. Replacement is a straightforward DIY: a new ESIM (OEM, or aftermarket such as Dorman 310-219) installs in place of the old one. After replacement, clear the codes and complete a few drive/fill cycles to confirm the EVAP monitor passes and the light stays off. If codes persist after ESIM and hose service, smoke-test the EVAP system to find a remaining leak (canister, lines, or fuel-tank-side seals).
Only diagnosis- and fitment-reviewed repair parts are linked here.
A repair after a split hose is confirmed on an in-window 2015 WK 3.6L ERB Fitment/availability: 68189075AE supersedes AC/AD and is cataloged for 2014-2015 Grand Cherokee 3.6L.
A repair after a split hose is confirmed on an in-window 2015 WK 5.7L EZH Fitment/availability: 68189065AD supersedes AB/AC and is cataloged for 2014-2015 Grand Cherokee 5.7L.
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P0442 (small EVAP leak, roughly a 0.020–0.040 inch pinhole) is very common on the WK2 Grand Cherokee. The two dominant causes are a degraded gas cap rubber seal and, specific to this platform, a failed Evaporative System Integrity Module (ESIM) mounted in the rear driver-side wheel well. The ESIM is a well-documented WK2 failure point and often fails before other EVAP components; it is known to pass a smoke test yet still set the code because its internal switch fails to report the correct state to the PCM. A vapor canister purge valve stuck slightly open is a secondary cause. There are typically no drivability symptoms beyond the check engine light, and the code can be intermittent (may clear after a few good drive cycles once the cap is tightened).
Start with a new OEM Mopar gas cap and confirm it clicks/seals; clear the code and drive several cycles. If it returns, replace the ESIM in the rear driver-side wheel well (accessed behind the fender liner, on the charcoal canister). If still present, smoke-test the EVAP system to find hose/purge-valve/canister leaks.
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Confirm the VIN, fuel-system configuration, connector and current part before purchase; it is not approved across the ful
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Because the A/C condenser sits at the very front of the Grand Cherokee behind the grille, it is highly exposed to rocks and road debris, which puncture the thin tubes and cause refrigerant loss. Condenser leaks are one of the leading causes of an A/C that blows lukewarm or no cold air; as refrigerant escapes, the system's pressure sensor will eventually disable the compressor to protect it. Owners commonly chase recharges that don't hold before the leaking condenser is identified.
Perform a dye or electronic leak test to confirm the condenser as the leak point. A leaking condenser cannot be repaired and must be replaced, followed by an evacuation, vacuum, and recharge with the correct refrigerant/oil. Replace the receiver/drier as part of the job. Address any debris damage to prevent recurrence.
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Condenser replacement after a technician confirms the condenser itself leaks on a matching 2005-2010 WK Fitment/availability: DENSO 477-0800 is catalog-confirmed at an audited 2008 endpoint and the live listing provides 2005-2010 Grand C…
Condenser replacement after a technician confirms the condenser itself leaks on a matching 2011-2021 WK/WK2 Fitment/availability: DENSO 477-0810 is catalog-confirmed at audited 2015, 2020 and 2021 endpoints and the live listing supplies …
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Grand Cherokees develop heater-core problems from two directions: internal clogging (residual casting sand/scale restricting the fine tubes, producing weak or no heat) and leaks at the core or its plastic firewall inlet/outlet elbows (producing a sweet coolant smell, a greasy fog film on the inside of the windshield, and a damp passenger-side floor). A leaking core also slowly loses coolant and can lead to overheating. The repair is labor-intensive because the dash must be removed to reach the core buried in the HVAC housing, so misdiagnosis is costly.
Confirm the diagnosis: sweet smell + foggy windshield + wet passenger carpet = leaking core; cold-only output with good coolant flow points to a clogged core (attempt a back-flush first). Pressure-test the cooling system and inspect the plastic heater pipes/elbows at the firewall, which can be replaced separately if that's the leak point. If the core itself leaks or is clogged, replace the heater core (dash-out labor). Refill and bleed the cooling system afterward and verify heat and no coolant loss.
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Heater-core replacement after the core itself is confirmed leaking or irreversibly restricted on a 2005-2010 WK Fitment/availability: Crown 5143101AA is explicitly sold for 2005-2010 Grand Cherokee WK. Confirm VIN, main/front HVAC config…
Heater-core replacement after the core itself is confirmed leaking or irreversibly restricted on a 2011-2021 WK2 Fitment/availability: 68079484AA is cataloged for 2011-2022 WK/WK2 3.0L diesel, 3.6L, 5.7L, 6.2L and 6.4L and includes screw…
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The HVAC blower-motor resistor on ZJ (1993-1998) and WJ (1999-2004) Grand Cherokees commonly burns out, leaving the fan working only on the highest setting (which bypasses the resistor). A worn blower motor drawing excess amperage cooks the resistor, and the connector often overheats. Very common, cheap, high-search fix.
Replace the blower motor resistor located under the passenger-side dash — Mopar 5012699AA (RU-358) fits 1999-2004 WJ with ATC; use the matching resistor for manual A/C (Crown 4720278 for 93-99 ZJ/WJ manual). If a new resistor fails quickly, also replace the aging blower motor and the burnt resistor connector/pigtail to stop repeat failures.
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Replacement after a 1999 WJ manual-climate circuit test confirms the resistor failed Fitment/availability: Mopar 4720278 is identified by the vehicle-specific catalog for the 1999 Grand Cherokee. Confirm VIN, manual controls, connector s…
Replacement after a 2000-2004 WJ manual-climate circuit test confirms the resistor failed Fitment/availability: Mopar 5014212AA is cataloged for the audited 2000-2004 WJ manual-climate branch. Confirm VIN, HVAC type, connector shape, cur…
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On 2019 model-year Jeep Grand Cherokee (WK) vehicles, an ABS warning that diagnosis traces to a wheel-speed circuit may be caused by an incompletely latched connector, water intrusion and corroded connector pins, rust or contamination at the sensor and tone wheel, or a faulty sensor. FCA warns that replacing a good sensor while leaving a damaged harness in place can cause the concern to return. The previous card incorrectly generalized this condition across 2011-2021 vehicles, named the right-front sensor as a common cause, listed unsupported DTCs and symptoms, and presented three universal repair parts.
Read the ABS module and compare individual wheel-speed live data to isolate the affected circuit. Inspect the connector latch, pins, and harness for water intrusion, corrosion, routing problems, or damage; replace a damaged harness rather than the sensor. Inspect and clean the sensor mounting area and tone wheel, reinstall the sensor, and retest the signal. Replace the sensor only when electrical and signal testing confirms it is faulty, then clear faults and verify normal wheel-speed data on a road test. Confirm any replacement by VIN and installed equipment before ordering.
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Only buy AFTER the documented diagnosis: compare live wheel-speed data, inspect the connector latch/pins and harness for water intrusion or corrosion, and clean the sensor seat and tone wheel. FCA says a damaged harness must be replaced …
Only buy after the documented diagnosis isolates a rear circuit and confirms the sensor (not the harness or connector) is at fault. Confirm by VIN before orderi
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Repeated owner complaints describe front brake pulsation, steering wheel shake under braking, and rotors that develop thickness variation or hot spots well before expected service life. This issue is especially well known on WJ models, though WK owners also report premature rotor wear. The problem is often worsened by heavy vehicle weight, marginal rotor capacity, seized slide pins, or uneven lug torque after service.
Inspect rotor runout, thickness variation, pad wear pattern, caliper slide movement, and hub face cleanliness. The lasting repair is usually quality rotors and pads, proper hub cleaning, lubricated slide pins, and torqueing wheels to spec; if calipers are sticking, replace or rebuild them. Simply machining thin rotors often leads to quick recurrence.
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WJ front rotor replacement after measurement confirms the rotor pair is unserviceable Fitment/availability: 1999-2004 Grand Cherokee front, one rotor per product quantity; order two. Confirm dimensions and vehicle modifications before pu…
Front pad replacement only when the installed WJ calipers are the Akebono design Fitment/availability: Select the 1BP00279AA Akebono option after physically confirming the silver caliper/solid bracket.
Front pad replacement only when the installed WJ calipers are the Continental-Teves design Fitment/availability: Select the 2AMV1592AA Teves option after physically confirming the black caliper/open bracket and retaining clip.
WK standard-front-brake rotor replacement after measurement confirms the rotor pair is unserviceable Fitment/availability: Cataloged for specified 2005-2010 Grand Cherokee standard front applications, one rotor per quantity; order two. E…
WK front pad replacement after confirming the standard-caliper branch Fitment/availability: Cataloged for 2005-2010 Grand Cherokee standard front calipers. Excludes different performance/SRT packages; inspect calipers and confirm YMMT be…
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A very common Grand Cherokee problem across both WJ and WK generations is failure of the HVAC blend doors or their actuators. Owners report loss of temperature control, air stuck on hot or cold, clicking behind the dash, or dual-zone systems blowing different temperatures side to side. On WJ models, the plastic blend doors themselves commonly crack or detach; on WK models, actuator motors and door linkages are frequent failure points.
Diagnose by commanding temperature changes and listening for actuator movement or clicking, then verify door travel with a scan tool or manual inspection where possible. Repair ranges from replacing an actuator to installing updated blend-door repair kits; on some vehicles, full HVAC box access requires major dash disassembly, though aftermarket repair kits can reduce labor on WJ models. If poor heat is also present, confirm the heater core is not restricted before replacing doors.
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WK actuator replacement after calibration and physical testing confirm failure at the matched door position Fitment/availability: Cataloged for 2005-2010 Grand Cherokee across listed engines. Confirm the installed actuator part number, c…
WJ ATC actuator replacement after calibration and physical testing confirm motor failure Fitment/availability: For 1999-2004 WJ with Automatic Temperature Control only; the page explicitly excludes manual A/C and heater controls.
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Owners of panoramic-sunroof-equipped Grand Cherokees (WK2 and 5th-gen WL) report the glass panel spontaneously shattering or 'exploding' with a loud pop while driving on clear days, with no impact. NHTSA complaints and forum reports describe the tempered panel bursting outward/inward, sometimes at low mileage. Suspected causes include factory pre-stress in the tempered glass, ceramic-frit edge stress, thermal cycling, and frame/mechanism stress on the panel. Beyond the repair cost, flying glass and startle-factor while driving make it a safety concern; owners frequently struggle to get warranty coverage and pay out of pocket.
There is no preventive repair — the panel must be replaced with new tempered glass (dealer or auto-glass shop), and owners should verify the sunroof frame/track and drains are correct so the replacement isn't re-stressed. Document the event and file an NHTSA complaint (helps trigger any future investigation/coverage) and check comprehensive insurance, which often covers glass with low/no deductible. Retain any FCA/Stellantis goodwill-assistance option for low-mileage vehicles.
On 5.7L HEMI-equipped Grand Cherokees, the steel bolts/studs that hold the cast-iron exhaust manifolds to the cylinder heads repeatedly heat-cycle and snap, most commonly at the rear of each manifold. The broken hardware opens a small gap that lets exhaust escape, producing a metallic 'tick' or 'tap' that is loudest on a cold start and quiets as the engine warms and the metal expands to temporarily reseal the leak. This is a well-known HEMI-wide failure (shared with Durango and Ram 1500) and is distinct from the MDS lifter 'HEMI tick.' Left unrepaired it worsens, can fail an emissions/exhaust inspection, and the broken stud ends can seize in the head and require drilling/extraction.
Replace the failed manifold bolts/studs with the updated Mopar double-ended stud hardware and new exhaust manifold gaskets; many shops convert all fasteners to studs/nuts so the manifold can be torqued evenly. Use new hardware on every bolt location — heat-fatigued originals will fail again. Confirm the diagnosis by listening for a cold-start tick that fades when warm and inspecting for soot/leak tracks at the manifold-to-head flange. If a stud has broken flush, it must be drilled and extracted; in severe cases a warped manifold is resurfaced or replaced.
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Complete FCA bulletin repair after the left 5.7L manifold is visually confirmed cracked Fitment/availability: 68591586AA is the left WK/WD/WL kit named by TSB 09-019-23. Confirm VIN, EZH/EZC engine, 2019-2022 bulletin scope, side and sea…
Complete FCA bulletin repair after the right 5.7L manifold is visually confirmed cracked Fitment/availability: 68591591AA is the right WK/WD/WL kit named by TSB 09-019-23. Confirm VIN, EZH/EZC engine, 2019-2022 bulletin scope, side and c…
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ELECTRICAL SYSTEM:PROPULSION SYSTEM
Chrysler (FCA US, LLC) is recalling certain 2022-2026 Jeep Grand Cherokee Plug-In Hybrid Electric (PHEV) vehicles. A software error within the hybrid control processor may result in a loss of drive power.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE
Chrysler (FCA US, LLC) is recalling certain 2022-2026 Jeep Grand Cherokee and 2023-2025 Jeep Grand Cherokee L vehicles. A software error in the occupant restraint controller module may cause the delayed deployment of the side air bags during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 214, "Side Impact Protection."
TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
Chrysler (FCA US LLC) is recalling certain 2024-2025 Jeep Wagoneer, 2024-2026 Jeep Grand Cherokee, Jeep Grand Cherokee L, Jeep Grand Cherokee 4XE, Jeep Grand Wagoneer, 2025 Jeep Wagoneer L, 2025-2026 Jeep Grand Wagoneer L, 2026 Jeep Cherokee, and Jeep Grand Wagoneer L PHEV vehicles. Due to a software error, the tire pressure monitoring system may fail to detect low tire pressure and/or fail to illuminate the tire pressure monitoring system (TPMS) warning light as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 138, "Tire Pressure Monitoring System."
VISIBILITY:WINDSHIELD WIPER/WASHER
Chrysler (FCA US, LLC) is recalling certain 2026 Jeep Grand Cherokee and Grand Cherokee L vehicles. Due to a software issue in the body control module (BCM), the windshield wipers may fail.
+ 26 more recalls. Check all on NHTSA.gov
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According to Au7o's analysis of 6,332+ owner reports, the 1994-2026 Jeep Grand Cherokee has 82 documented issues. The most frequently reported are: TIPM (Fuse Box) Failure, 2012-2014 Alternator-Diode Safety Recalls (P60 / T36), 4.7L V8 Crankshaft Position Sensor Failure Causing Hot-Restart No-Start and Random Stalling. Of these, 29 are rated critical and should be addressed promptly.
The 1994-2026 Jeep Grand Cherokee has 82 known issues documented across 6,332+ owner reports. 29 issues are rated critical: TIPM (Fuse Box) Failure and 2012-2014 Alternator-Diode Safety Recalls (P60 / T36) and 4.7L V8 Crankshaft Position Sensor Failure Causing Hot-Restart No-Start and Random Stalling and 1999-2004 4.0L Coolant Loss or Misfire — Confirm the Cylinder Head and Leak Path First and 4xe High-Voltage Battery/Charging System Faults Triggering No-Start or Reduced Propulsion and 3.0L EcoDiesel Oil Cooler Failure Causing Oil/Coolant Cross-Contamination and Engine Damage and Second-Row Seat Side Airbag Connector/Occupant Restraint Fault Warnings and Loss of Drive Power from Improperly Installed Intermediate Steering Shaft / Steering Coupling Hardware and Monostable Electronic Shifter Rollaway (Recall 16V-240) and 2022-2026 Grand Cherokee 4xe High-Voltage Battery Fire Risk - Recall 25V741000 and W5A580 (NAG1) 5-Speed Automatic Limp Mode and Harsh Shift from Conductor-Plate Speed Sensors and Fluid Contamination and 2004 545RFE Intermittent Low-Line-Pressure or Gear-Ratio DTCs — Check TCM Build Date and 2022-2026 Grand Cherokee 4xe High-Voltage Battery Fire-Risk Recall (68C / 25V-741) and 2014-2019 Grand Cherokee EcoDiesel EGR Cooler Fire-Risk Recall (W79 / 20V-699) and 2023-2025 Grand Cherokee 4xe Engine Sand-Contamination Recall (78C / 25V-766) and 1999-2010 Airbag Light Plus Horn or Wheel-Control Faults - Scan SRS First and Rear-Mounted Fuel Tank Rupture and Fire Risk in Rear Impacts (Recall 13V-252 / Campaign N45) and Loss of Steering Control: Upper Control Arm Pinch Bolt & Intermediate Shaft (Recalls 23V-352, 24V-131) and Rear Coil Spring Separation/Collapse Causing Tire Contact and Loss of Stability and Ignition Switch / Lock Cylinder Wear Causing Key Stuck and Unexpected Engine Shut-Off (Recall P41 / NHTSA 14V-438, 2005-2007 WK) and Sudden Alternator Failure Causing Stall / Fire Risk (Recalls 14V-634, 17V-435) and 3.6L Pentastar Upgrade Rocker Arm / Intake Camshaft Lobe Wear Causing Misfire and Tick and Recall 18V524000 (U87) — PCM Circuit-Board Voltage Regulator Can Fail, Causing a Stall and Cruise Control That Will Not Shut Off — Wiring Short Circuit Recall (18V332000) and Internal Radiator Transmission-Cooler Failure Cross-Contaminating ATF and Coolant ('Pink Milkshake') and 2011-2021 5.7L Persistent Tick or Misfire - Confirm Valvetrain Damage Before Parts and Early 3.6L Pentastar Left Cylinder Head Valve Seat/Guide Wear Causing Misfires (Warranty Extension X56 / TSB 09-002-14) and Early 3.6L Pentastar Left Cylinder Head Failure — Overheated Valve Seat Causing Ticking, Misfire and Check Engine Light (Warranty Extension X56) and 2014-2020 Grand Cherokee EcoDiesel High-Pressure Fuel Pump Recall (Z46 / 22V-406). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Jeep Grand Cherokee issues range from $0 to $12,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, TIPM (Fuse Box) Failure, typically costs $800-$1,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Jeep Grand Cherokee. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 1994-2026 Jeep Grand Cherokee with 82 documented issues documented across 6,332+ owner reports.
The Totally Integrated Power Module (TIPM) can fail, causing various electrical issues including fuel pump relay problems (no start), random horn honking, and erratic behavior of lights and accessories. Repairs typically run $800-$1,500. Severity: high.
Certain 2012-2014 Jeep Grand Cherokee vehicles are covered by alternator-diode safety recalls P60 / NHTSA 14V-634 or T36 / NHTSA 17V-435. P60 covers specified 3.6L vehicles with a 160A alternator. T36 covers VIN-included WK vehicles with electro-hydraulic power steering and speci… Repairs typically run $0-$0. Severity: high.
The crankshaft position sensor (CKP) on the 4.7L (and 4.0L) Grand Cherokee commonly fails from heat-soak: it works when cold but its internal resistance rises when hot, so the PCM loses the crank signal and the engine won't restart until it cools 30-60 minutes, or it stalls rando… Repairs typically run $80-$350. Severity: high.
A cracked cylinder head or failed head gasket can produce coolant loss, overheating, rough running, or cylinder leakage on a 4.0L Grand Cherokee, but the previous card treated every 1999-2004 vehicle as if its installed casting and failure mode were already known. Heads may have… Severity: high.
Grand Cherokee 4xe models have generated substantial owner complaints for hybrid system warnings, charging faults, propulsion loss, and no-start conditions tied to the high-voltage battery pack, battery coolant heater, or related control logic. Several recalls and service actions… Repairs typically run $300-$12,000. Severity: high.
The integrated engine oil cooler/oil-filter housing on the 3.0L EcoDiesel develops internal failures that let engine oil and coolant cross-contaminate — owners report 'milkshake' oil and oil in the coolant bottle. Casting debris left in the engine can become trapped in the cooler… Repairs typically run $500-$4,000. Severity: high.
Owners of WL-generation Grand Cherokee models have reported persistent airbag warning lights and restraint system messages tied to seat wiring/connectors, especially around second-row or seat-mounted side airbag circuits. FCA also issued safety actions/TSB guidance on certain res… Repairs typically run $150-$1,200. Severity: high.
A documented recall affected certain 2022-2023 Grand Cherokee and Grand Cherokee L vehicles because steering column intermediate shaft hardware may not have been properly secured. Owners and regulators flagged the possibility of steering separation or loss of steering control, so… Repairs typically run $250-$1,200. Severity: high.
The 2014-2015 Grand Cherokee uses a ZF monostable electronic 'E-shift' gear selector that always returns to a center position regardless of selected gear, giving poor tactile/visual feedback. NHTSA tied it to over 300 rollaway incidents and 117 crashes after drivers believed they… Repairs typically run $0-$0. Severity: high.
Chrysler (FCA US, LLC) has recalled 2022-2026 Jeep Grand Cherokee 4xe plug-in hybrid models under NHTSA campaign 25V741000. The high-voltage traction battery in these vehicles may fail internally, and that internal failure can lead to a vehicle fire. NHTSA's record is explicit th… Severity: high.
The Mercedes-derived W5A580 (NAG1) 5-speed automatic used in WK and early WK2 Grand Cherokees is mechanically strong but suffers well-documented electronic and fluid-related failures. Faulty conductor-plate speed sensors and shift-pressure solenoids drop the transmission into lim… Repairs typically run $300-$3,500. Severity: high.
DaimlerChrysler TSB 08-016-05 describes an internal TCM circuit fault that may cause an intermittent low-line-pressure or gear-ratio DTC and limp-in on a specific 2004 WJ/WG Grand Cherokee population. The vehicle must have the 545RFE (sales code DGQ), a 4.7L or 4.7L High Output e… Severity: high.
Certain 2022-2026 Jeep Grand Cherokee 4xe vehicles are included in FCA safety recall 68C / NHTSA 25V-741. FCA's amended report lists 91,847 potentially involved Grand Cherokee PHEVs built from July 23, 2021 through November 25, 2025. In rare circumstances, cells in the high-volta… Repairs typically run $0-$0. Severity: high.
Certain 2014-2019 Jeep Grand Cherokee vehicles with the 3.0L EcoDiesel engine are included in safety recall W79 / NHTSA 20V-699. NHTSA lists 28,884 potentially involved Jeep vehicles. Thermal fatigue can cause the EGR cooler to crack internally over time, allowing pre-heated vapo… Repairs typically run $0-$0. Severity: high.
Certain 2023-2025 Jeep Grand Cherokee 4xe vehicles are included in FCA safety recall 78C / NHTSA 25V-766. FCA's amended report lists 39,975 potentially involved Grand Cherokee PHEVs built from July 19, 2023 through April 10, 2025. Sand left from the engine-block casting process c… Repairs typically run $0-$0. Severity: high.
The clockspring is a plausible shared point when a Grand Cherokee has an airbag warning together with a failed horn, cruise control, or steering-wheel buttons. Factory wiring confirms that those circuits pass through the clockspring/steering-control assembly. That symptom combina… Severity: high.
For the ZJ (1993-1998) and WJ (1999-2004) Grand Cherokee, Chrysler mounted the plastic fuel tank behind the rear axle with little rear-structure protection. NHTSA and the Center for Auto Safety documented that these vehicles were far more likely to suffer a fatal post-crash fire… Repairs typically run $0-$0. Severity: high.
On the new WL-generation Grand Cherokee and Grand Cherokee L, two assembly defects can cause loss of steering control. Upper control arm (UCA) pinch bolts damaged during assembly can break and let the UCA separate from the steering knuckle, dropping the wheel outboard. Separately… Repairs typically run $0-$0. Severity: high.
Multiple 2022-2024 Grand Cherokee and Grand Cherokee L vehicles were recalled for rear coil springs that may not have been installed correctly, allowing the spring to detach from its upper mount. Owners reported a loud bang from the rear, sudden sagging ride height, and in some c… Repairs typically run $400-$1,800. Severity: high.
On 2005-2007 (WK) Grand Cherokees, wear inside the ignition switch/lock cylinder can allow the key to be jarred out of the RUN position — by a knee, a heavy key ring, or a rough road — which shuts off the engine and can disable power steering, power brake assist, and the airbags… Repairs typically run $0-$400. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.