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Jeep · Known Issues

2018 Jeep Compass Problems: 19 Known Issues

2018 model year · 1,279+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 1,279+ owner reports, the 2018 Jeep Compass has 19 documented known issues, with 4 rated critical. The most serious are 2.4L Tigershark Oil Pump Failure / Engine Stalling ($0-$800 repair), Electrical System / Voltage Regulator Failure Causing Stalling ($100-$1,200 repair), Front Lower Control Arm Weld Defect — Control Arm Separation (Recall 18V279 / U42) ($0-$0 repair) and Rear Brake Caliper Piston Coating Defect — Soft / Long Brake Pedal (Recall 18V523 / U86) ($0-$0 repair). The most commonly reported issue is 9-Speed Automatic Transmission Rough Shifting with 623 owner reports. Across all issues with published estimates, repair costs range from $50 to $4,000. DIY maintenance guides at au7o.io.

In This Article

  • Compass Electrical5
  • Compass Suspension3
  • Compass Engine2
  • Compass Brakes1
  • Compass Body/Panels3
  • Compass Transmission1
  • Compass Other1
  • Compass Drivetrain1
  • Compass Safety/Recalls1
  • Compass HVAC1
  • Recalls4
  • FAQ
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In This Article

  • Electrical5
  • Suspension3
  • Engine2
Brakes
1
  • Body/Panels3
  • Transmission1
  • Other1
  • Drivetrain1
  • Safety/Recalls1
  • HVAC1
  • Recalls4
  • FAQ
  • All 19 Known Issues

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    ALL YEARS2025202420232022202120202019201820172016201520142013201220112010200920082007
    Community reported
    267 owners

    On the 2017-2021 Jeep Compass, the voltage regulator can fail, causing the vehicle to stall unexpectedly. A separate recall (affecting 12,779 units of 2018 models) addressed this specific failure mode. Additional electrical gremlins include failing infotainment system (Uconnect freezing/rebooting), erratic instrument cluster behavior, and intermittent power loss. The ORC (Occupant Restraint Controller) module has also failed at low mileage, disabling airbags.

    This issue also affects: Chrysler 300, Dodge Challenger

    Common Symptoms

    • Vehicle stalls without warning
    • Battery warning light illuminates
    • Infotainment screen goes blank or reboots
    • Airbag warning light stays on
    • Intermittent electrical accessories failure
    • Dim or flickering headlights

    How to Fix

    For voltage regulator: Dealer replacement under recall if applicable. For Uconnect issues: Perform a hard reset (hold power and volume buttons for 10 seconds) or dealer software update. For ORC module failure: Dealer replacement required ($300-600). Check for TSBs related to BCM (Body Control Module) software updates.

    Find a Jeep dealer

    Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

    Open Jeep dealer map in Google Maps ↗

    Call to confirm they service Jeep vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

    Owner tips & cautions

    • TipUconnect freezing often resolves with a firmware update - ask dealer for latest version
    • WarningAn illuminated airbag warning light means your airbags may not deploy in a crash - have it diagnosed immediately
    Typical repair cost:$100 - $1,200

    Research This Issue

    Based on 267 owner reports

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    Community Reported
    Medium ConfidenceVerified267 owner reportsLast reported by owners Apr 2024Reviewed Feb 2026

    On the 2017-2022 Jeep Compass, mP Compasses with engine Stop/Start carry a small auxiliary battery in addition to the main battery. When the auxiliary battery degrades - which owners commonly report at 2-4 years - it back-drains the main battery while the vehicle sits, leaving the Compass dead after a few days despite a new main battery, alternator and starter. The first warning is usually the Stop/Start Not Available message or a Stop/Start warning light, followed by intermittent no-crank, flickering dash lights and spurious module faults. Replacing only the main battery is the classic misdiagnosis; the pair must be healthy and both must be registered/relearned so the charging strategy is correct.

    This issue also affects: Chrysler 300, Chrysler Pacifica, Dodge Challenger

    Common Symptoms

    • Battery dead after the vehicle sits two or three days
    • Stop/Start Not Available message or warning light
    • Intermittent no-crank or slow crank with a new battery
    • Multiple unrelated warning lights on the dash
    • Repeat battery replacements that do not fix the problem

    How to Fix

    Measure parasitic draw with the vehicle asleep (anything sustained above roughly 50 mA is suspect) and load-test both batteries. Replace the auxiliary AGM battery (located under the front fender/near the airbox depending on year) together with a weak main battery, use the correct AGM specification, and register the new battery with a scan tool so the IBS/charging algorithm relearns. Also inspect the auxiliary battery cable and its ground for corrosion, a common secondary cause of the drain.

    What you need to diagnose it

    The fix here starts with a test, not a part — which repair you need depends on what the test finds.At least one code uses a manufacturer-specific format. No scanner recommendation is shown because family-level coverage cannot prove it can read that code.

    • UNI-T UT210E Low-Current DC Clamp Meter

      1 mA resolution on the 2 A range — a 0.1 A meter reads a 50 mA drain as zero

      $40–$70View

    As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

    Testing and isolating the fault is DIY work. Replacing or reprogramming a control module is not — most are VIN-programmed, so a new one does nothing until a shop codes it to your car. Check for an open recall or service bulletin before buying anything.

    What you need to fix it

    Only diagnosis- and fitment-reviewed repair parts are linked here.

    • Auxiliary stop/start battery (AGM) — 2018-2020
      OEMBBAUX101ABCross-refDuralast Platinum AGM Auxiliary Battery AUX14 (BCI Group 400, Super Start Platinum AGM Auxiliary Battery AUX14 (Group 400,, Duracell AGM Auxiliary Battery AUX14, Group Size 400$60–$249

      This is the small AGM battery that back-drains the main battery when it degrades. Mopar BBAUX101AB is the current number and supersedes BBAUA200AD, BBAUA200AC, BBAUA200AA, BBAUA180AA and BBAUX101AA — if a dealer or old forum post quotes …

      MoparPartsGiantWalmart

    As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

    Typical repair cost:$150 - $600

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Aug 2026

    On the 2015-2023 Jeep Compass, the Uconnect radio in the MP Compass (and later MK cars) randomly reboots while driving, sometimes every few minutes, or freezes with the touchscreen unresponsive while audio continues. Owners report the backup camera, Apple CarPlay/Android Auto, HVAC controls on the screen and steering-wheel audio buttons all going dead during an episode. FCA has acknowledged radio-reboot concerns and issued multiple software updates; a subset of cars only settle after the radio module itself is replaced. The reboot loop is worse in hot weather and with a marginal battery, and a weak or dying auxiliary/main battery can trigger it.

    Common Symptoms

    • Radio screen goes black and restarts while driving
    • Touchscreen frozen or unresponsive to touch
    • Backup camera image missing when shifting to reverse
    • CarPlay / Android Auto disconnects repeatedly
    • Loss of climate and audio controls displayed on screen

    How to Fix

    First perform the soft reset (hold the volume and tuner knobs, or hold the phone and voice-recognition buttons ~20-30 seconds with the ignition on). Then flash the latest Uconnect software from the Mopar Uconnect update site via USB, or have the dealer flash it - many reboot cases are fixed by software alone. Check battery state of health and charging voltage, and inspect the radio connector and ground for corrosion. If reboots persist on current software with good voltage, the radio/display module is replaced.

    Typical repair cost:$0 - $1,200

    Research This Issue

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    Community Reported
    Medium ConfidenceVerifiedReviewed Aug 2026

    On the 2017-2023 Jeep Compass, two separate software defects left the second-generation Compass cluster stuck at one brightness. 17V740 (T70) covered 25,823 2017-2018 vehicles whose instrument-cluster software would not allow the backlight to be dimmed, so the display glares at night. 23V058 (2022) and 23V576 (88A, 181,999 2022-2023 vehicles built Feb 17, 2021 - Jul 26, 2023) cover incorrect body-control-module software that prevents the driver from adjusting the panel brightness, a FMVSS 101 non-compliance.

    Common Symptoms

    • Instrument cluster too bright at night and will not dim
    • Dimmer control has no effect
    • Cluster display too dim to read in some 2022 units

    How to Fix

    Free recall software updates: dealers reflash the instrument panel cluster (T70) or the body control module (88A / 23V058). Owners of a 2022-2023 whose dimmer thumbwheel does nothing should confirm the BCM update has been applied before paying for a cluster or switch. No hardware replacement is needed.

    Typical repair cost:$0 - $0

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2017-2022 Jeep Compass, on the 2017+ (MP) Compass, owners report door lock actuators that click but no longer move the latch — commonly because the plastic linkage clip between the actuator motor and the latch rod breaks — so one door (often the driver's) stays locked or unlocked with the rest of the car. A separate but frequently confused complaint is the doors locking and unlocking on their own: water on the capacitive passive-entry handle sensors (car washes, heavy rain) triggers repeated lock/unlock cycles.

    Common Symptoms

    • Actuator clicks but door does not lock or unlock
    • One door stays locked while others respond
    • Doors lock and unlock repeatedly when the handle is wet
    • Alarm or lock cycling in the car wash

    How to Fix

    For a single dead door, remove the door panel and inspect the actuator/latch assembly; the latch with integrated actuator is replaced as a unit ($150-400 at a shop, $60-120 DIY). For ghost locking, dry the handle sensors or temporarily disable passive entry in Uconnect; if it persists when dry, the handle sensor or the RF hub is at fault. Neither condition is covered by a recall.

    Find a Jeep dealer

    Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

    Open Jeep dealer map in Google Maps ↗

    Call to confirm they service Jeep vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

    Typical repair cost:$60 - $400

    Research This Issue

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    Community Reported
    Low ConfidenceVerifiedReviewed Sep 2026

    On the 2018 Jeep Compass, a batch of about 2,761 early 2018 (MP) Compass vehicles was built with front lower control arms whose welds were incorrectly made. A defective weld can allow the arm to separate from its bushing/ball-joint section, producing a sudden loss of steering control. This is a manufacturing weld defect on the second-generation Compass and is unrelated to the normal bushing/tie-rod wear seen on the first-generation car.

    Common Symptoms

    • Clunk or knock from the front suspension
    • Vehicle pulls or wanders
    • Sudden loss of steering control if the arm separates

    How to Fix

    Free safety recall: dealers inspect the front lower control arms and replace any from the suspect weld lot. Check the VIN on the NHTSA recall lookup; remedy is free regardless of ownership or warranty status. If a clunk or wander appears on an un-remedied 2018, have the arms inspected immediately rather than driven.

    Typical repair cost:$0 - $0

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2007-2021 Jeep Compass, both the MK (2007-2016) and MP (2017+) Compass use a sealed rear hub/bearing unit that owners report failing as early as 30,000-40,000 miles, frequently repeating on the same corner within a year of replacement. Owners describe a growl or hum that rises with speed and changes when swerving; on 4x4 MP models the noise is often first blamed on tires. Multiple forum members document second and third bearing replacements on the same vehicle, and dealers have chased the same complaint through tire rotations and TSB 08-095-18 (rear-end noise) before replacing the hub. The rear hub is not serviceable separately - the bearing, hub and ABS tone ring come as one pressed unit.

    This issue also affects: Chrysler 300

    Common Symptoms

    • Humming or growling from the rear that increases with vehicle speed
    • Noise changes pitch or volume when swerving left/right
    • Roaring mistaken for tire noise that persists after tire rotation
    • Rear-end rumble or thump felt through the floor
    • ABS or traction light if the tone ring is damaged

    How to Fix

    Confirm the failing corner by loading the suspect side in a sweeping turn and by spinning the wheel off-ground while listening at the hub, then replace the complete rear hub/bearing assembly (Mopar or a quality brand such as Timken/SKF - several owners report short life from budget hubs). Torque the axle/hub fasteners to spec and verify the ABS wheel-speed signal afterward. Rule out mud/ice packed on the wheel, a bad tire, and rear differential noise on 4x4 models before condemning the bearing.

    Typical repair cost:$250 - $650

    Research This Issue

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    Community Reported
    Medium ConfidenceVerifiedReviewed Aug 2026

    On the 2007-2018 Jeep Compass, the MK Compass (shared platform with the Patriot and Caliber) wears out the front lower control arm rear bushings and the inner/outer tie rod ends early - many owners report replacement between 40,000 and 80,000 miles. Symptoms start as a clunk or pop through the floor when accelerating from a stop or crossing bumps, then progress to steering wander and uneven inner tire wear. FCA also issued a Rapid Response instruction to verify the lower control arm front mounting bolt torque (above roughly 92 lb-ft) because factory under-torque produced the same clunk. On MP cars the same corner was addressed by NHTSA recall 18V-279 for defective lower control arm welds on 2017-2018 models.

    Common Symptoms

    • Clunk or pop from the front floorpan when accelerating from a stop
    • Knocking over bumps and expansion joints
    • Loose or wandering steering, vehicle follows road grooves
    • Uneven or feathered inner front tire wear
    • Steering wheel off-center after hitting a pothole

    How to Fix

    With the vehicle on a lift, pry-check the lower control arm bushings and grab-test the inner and outer tie rods. Verify lower control arm mounting bolt torque before replacing anything - some clunks are simply loose bolts. Otherwise replace the complete lower control arm (the bushings are pressed and the bolt often seizes in the bushing sleeve, so plan on cutting the bolt) and replace worn tie rod ends, then perform a four-wheel alignment. On 2017-2018 MP cars, check VIN against recall 18V-279 for the welded control arm before paying out of pocket.

    Typical repair cost:$300 - $900

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Aug 2026
    Community reported
    389 owners

    On the 2017-2022 Jeep Compass 2.4L Tigershark, the 2.4L Tigershark engine may experience oil pump failure where insufficient oil pressure causes the engine to stall while driving. NHTSA Recall 17V-670 (October 2017) addressed oil pumps that would not deliver adequate pressure. The engine uses hydraulic valve actuators that rely on oil pressure, so low oil starves the valvetrain and causes sudden stalling. Excessive oil consumption between changes exacerbates the problem.

    This issue also affects: Chrysler 200, Chrysler Pacifica, Chrysler PT Cruiser

    Common Symptoms

    • Low oil pressure warning light
    • Engine stalls while driving
    • Oil level drops significantly between changes
    • Ticking or knocking noise from engine
    • Check engine light for oil pressure codes
    • Vehicle will not restart after stalling

    How to Fix

    Check recall status (NHTSA 17V-670) for oil pump replacement at no cost. Monitor oil level every 1,000 miles and top off as needed. If experiencing oil consumption over 1 quart per 3,000 miles, have dealer perform an oil consumption test. Replace oil pump assembly if not covered by recall ($400-800). Use 0W-20 full synthetic oil per specification.

    Find a Jeep dealer

    Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

    Open Jeep dealer map in Google Maps ↗

    Call to confirm they service Jeep vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

    Owner tips & cautions

    • WarningCheck your oil level every 1,000 miles - the 2.4L Tigershark is known to consume oil and running low can destroy the engine
    • TipIf your engine stalls from low oil pressure, do NOT try to restart immediately - check oil level first to avoid further damage
    • TipVerify recall 17V-670 status at recalls.mopar.com - oil pump replacement is covered at no cost
    Typical repair cost:$0 - $800

    Research This Issue

    Based on 389 owner reports

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    Community Reported
    High ConfidenceVerified389 owner reportsLast reported by owners Jun 2024Reviewed Feb 2026

    On the 2017-2024 Jeep Compass 2.4L Tigershark, the 2.4L Tigershark engine in the Compass develops oil leaks from the oil filter housing adapter gasket. The gasket between the oil filter housing and the engine block hardens and shrinks, allowing oil to seep. The leak drips onto the exhaust manifold, creating a burning oil smell and smoke. The oil filter housing also contains the oil cooler, so a failed gasket can also allow oil and coolant to mix internally in severe cases.

    This issue also affects: Chrysler 200, Fiat 500X

    Common Symptoms

    • Burning oil smell from engine bay
    • Oil dripping onto exhaust manifold causing smoke
    • Oil spots on driveway under engine
    • Low oil level between changes
    • Oil weeping from oil filter housing area

    How to Fix

    Replace the oil filter housing gasket and O-rings. This is a straightforward repair that requires removing the oil filter housing (4 bolts), cleaning both mating surfaces, and installing new gaskets. Use OEM Mopar gaskets — aftermarket gaskets for this application have a high re-leak rate. Torque bolts to spec (15 ft-lbs) in a crisscross pattern. Check oil and coolant for cross-contamination (milky oil or oil in coolant).

    What you need to fix it

    Only diagnosis- and fitment-reviewed repair parts are linked here.

    • Genuine Mopar oil-filter-adapter gasket
      OEMMopar 5048037AA

      A traced leak specifically at the oil-filter-adapter-to-engine interface on a compatible 2.4L MP Compass Fitment/availability: 5048037AA is explicitly cataloged for 2018-2021 Compass 2.4L and related MultiAir applications. Confirm VIN/cu…

      MoparPartsGiant

    As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

    Typical repair cost:$150 - $500

    Research This Issue

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    Community Reported
    Medium Confidence

    On the 2018-2019 Jeep Compass, on 2018-2019 Compass built March 17 - June 21, 2018 (154,335 vehicles across FCA lines), rear brake caliper pistons were produced with insufficient chrome coating. The bare surface reacts with brake fluid and forms gas pockets in the caliper, so on start-up the pedal can travel farther than normal and feel soft, reducing rear brake performance without warning.

    Common Symptoms

    • Brake pedal has increased travel after starting the vehicle
    • Pedal feels soft or spongy
    • Reduced rear braking performance

    How to Fix

    Free safety recall U86: dealers bleed the brake system (and replace calipers where required). Owners of an affected VIN who still notice a soft pedal after the remedy should have the rear calipers inspected — some continued to report soft-pedal complaints on the 2018-2019 cars after the bleed.

    Typical repair cost:$0 - $0

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2007-2022 Jeep Compass, sunroof-equipped Compasses use four drain tubes (two front A-pillar, two rear routed down the D-pillar to behind the rear wheels). The tubes clog with pollen and debris or become kinked/disconnected at the sunroof tray, and the overflow dumps inside the vehicle. Owners consistently report water appearing at the rear side air vent, the rear seat-belt B/C-pillar opening, the headliner edges, and standing water under the cargo floor and spare-tire well. Left alone it soaks carpet padding, rusts the floor pan, and can flood body-control wiring and the rear-quarter modules, producing mildew smells and unrelated electrical faults.

    Common Symptoms

    • Water dripping from rear air vent or seat-belt pillar when it rains
    • Wet headliner or damp A-pillar trim
    • Standing water in cargo area or spare-tire well
    • Musty mildew smell inside the cabin
    • Sloshing sound from the roof or pillars over bumps

    How to Fix

    Open the sunroof, locate the four corner drains in the tray, and clear each with low-pressure compressed air or a soft trimmer line - never a stiff wire, which punctures the tube. Verify flow exits at the front cowl area and just behind the rear wheels. Re-seat any drain nipple that has popped off the sunroof cassette and straighten kinked tubes. Confirm with a garden-hose test with the rear quarter trim and headliner edge pulled down, then dry or replace the soaked carpet padding and sound deadener to prevent rust and mold.

    Typical repair cost:$0 - $400

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Aug 2026

    On the 2017-2025 Jeep Compass, the gas struts that hold the rear liftgate open on the Compass fail prematurely, causing the liftgate to drop onto the user's head or not stay open. The struts lose their gas charge due to seal deterioration, particularly in cold climates where the temperature differential accelerates seal contraction. Both power liftgate and manual liftgate models are affected. On power liftgate models, the motor can also fail, adding to the issue.

    Common Symptoms

    • Liftgate drops slowly when opened
    • Liftgate will not stay open unassisted
    • Liftgate drops rapidly and hits user
    • Power liftgate struggles to open fully
    • Hissing sound from strut (gas escaping)

    How to Fix

    Replace both liftgate gas struts as a pair (they wear evenly). OEM Mopar struts or quality aftermarket (Stabilus, Strong Arm) last 4-5 years. For power liftgate models, if the motor fails, the power liftgate motor assembly must be replaced. After strut replacement, test the liftgate in both hot and cold temperatures to confirm proper holding force. Some owners upgrade to slightly stronger aftermarket struts for better cold-weather performance.

    What you need to fix it

    Only diagnosis- and fitment-reviewed repair parts are linked here.

    • Mopar manual-liftgate gas support, passenger/right side
      OEMMopar 68242418AB

      A weak passenger-side support on a 2018-2025 MP Compass without power liftgate, replaced with the matching left support Fitment/availability: 68242418AB is the right/passenger support and is cataloged without power liftgate. Pair it with…

      MoparPartsGiant
    • Mopar manual-liftgate gas support, driver/left side
      OEMMopar 68242419AB

      Confirm VIN and pair it with 68242418AB.

    • Mopar power-liftgate gas support, passenger/right side
      OEMMopar 68250004AC

      A confirmed weak right support on a 2018-2025 MP Compass with power liftgate, after ruling out motor/sensor/binding faults Fitment/availability: 68250004AC is the right/passenger gas prop for the power-liftgate branch.

      MoparPartsGiant
    • Mopar power-liftgate gas support, driver/left side
      OEMMopar 68250005AC

      A confirmed weak left support on a 2018-2025 MP Compass with power liftgate, after ruling out motor/sensor/binding faults Fitment/availability: 68250005AC is the left/driver gas prop for the power-liftgate branch and supersedes AA/AB. Co…

      JeepPartsDeal

    As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

    Typical repair cost:$50 - $400

    Research This Issue

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    Medium Confidence

    On the 2017-2025 Jeep Compass, the 2017+ Compass windshield is prone to stress cracking without impact, particularly from the edges and corners. The windshield bonding adhesive and the body flex characteristics of the unibody chassis create stress points in the glass. Temperature changes (cold nights followed by hot morning sun, or using the defroster on a cold windshield) trigger crack propagation. Many owners report multiple windshield replacements during ownership.

    Common Symptoms

    • Crack appearing from windshield edge with no impact
    • Crack spreading across windshield rapidly
    • Multiple stress cracks in corners
    • Crack appearing after temperature change

    How to Fix

    Replace the windshield with OEM or equivalent quality glass. Ensure proper installation with the correct urethane adhesive and curing time. For vehicles with ADAS cameras (forward collision warning, lane departure), recalibration is required after replacement. File through comprehensive auto insurance — many states have zero-deductible glass coverage. Consider adding a small bead of clear silicone at stress-prone edge points as a preventive measure.

    Typical repair cost:$300 - $800

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    Community Reported
    Medium Confidence
    Community reported
    623 owners

    On the 2017-2025 Jeep Compass, the ZF 9HP48 9-speed automatic transmission in second-generation Compass models suffers from rough shifting, delayed engagement, hunting for gears, and jerky low-speed operation. Approximately 30% of owners report transmission issues within 100,000 miles per Consumer Reports data. The transmission control module software often struggles with shift logic at low speeds.

    This issue also affects: Chrysler 200, Chrysler 300M, Chrysler Cirrus

    Common Symptoms

    • Harsh or jerky shifts at low speeds
    • Delayed engagement when shifting from park
    • Transmission hunting between gears on hills
    • Hesitation during acceleration
    • Rough 1-2 and 2-3 upshifts
    • Clunking noise during gear changes

    How to Fix

    Start with a TCM software update at the dealer (free under warranty or TSB). If persists, perform transmission fluid change with Mopar ZF 9-speed ATF (68218925AB). In severe cases, the TCM or valve body may need replacement ($800-1,500). Some owners report improvement after an adaptive learning reset procedure performed by the dealer.

    Owner tips & cautions

    • TipAsk the dealer to perform the adaptive learning reset after any TCM reflash - it helps the transmission relearn shift points
    • TipKeeping the transmission fluid fresh (every 60,000 miles) significantly improves shift quality
    Typical repair cost:$0 - $4,000

    Research This Issue

    Based on 623 owner reports

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    Community Reported
    High ConfidenceVerified623 owner reportsLast reported by owners Jan 2025Reviewed Feb 2026

    On the 2017-2024 Jeep Compass, the A/C evaporator core in the Compass develops pinhole leaks from internal corrosion, causing the A/C system to lose refrigerant. The evaporator is located deep inside the HVAC housing behind the dashboard, making replacement extremely labor-intensive (8-12 hours). The issue is accelerated by infrequent cabin filter changes, which allow moisture and debris to accumulate on the evaporator surface. R-1234yf refrigerant adds to the repair cost.

    This issue also affects: Chrysler 200

    Common Symptoms

    • A/C blows warm air
    • A/C works after recharge but fails again within weeks
    • Sweet chemical smell from vents (refrigerant leak)
    • Foggy windshield when A/C is on (refrigerant in cabin)
    • Wet passenger floor from evaporator condensation leak

    How to Fix

    Diagnose with UV dye and electronic leak detector to confirm evaporator as leak source. Replace the evaporator core — this requires partial dashboard removal and HVAC housing disassembly. Replace the receiver/drier and expansion valve at the same time (always done when the system is opened). Flush the system to remove any debris. Evacuate, vacuum test for leaks, and recharge with R-1234yf. Change cabin filters every 15,000 miles to keep the evaporator clean and dry.

    What you need to fix it

    Only diagnosis- and fitment-reviewed repair parts are linked here.

    • A/C evaporator core for new-generation MP Compass 2.4L
      OEMJeep Air 226-7371 / Mopar 68350423AA, 68350428AA

      An electronically/pressure-confirmed evaporator leak on a 2017-2021 new-generation Compass MP with the 2.4L engine Fitment/availability: Jeep Air 226-7371 explicitly fits 2017-2021 Compass 2.4L and cross-references 68350423AA/68350428AA.

      Jeep Air

    As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

    Typical repair cost:$800 - $2,000

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    Medium Confidence

    On the 2017-2022 Jeep Compass, on 4x4 MP Compasses the Power Transfer Unit bolted to the transaxle, and the rear differential module, leak gear lube past their output/pinion seals. Owners find a fluid film on the underbody, on the driver-side of the rear diff, or drips mistaken for transmission fluid, and once the lube level drops the unit begins whining under load. Forum members report multiple PTU replacements on the same 2018 vehicle, pointing to seal and build-quality problems in early MP production. The PTU and rear diff fluids are commonly treated as fill-for-life by owners even though the service schedule calls for periodic replacement, which accelerates failure.

    Common Symptoms

    • Gear-oil drips or wet film under the transaxle or rear differential
    • Whine or growl from underneath that changes with vehicle speed
    • Burnt gear-oil smell after highway driving
    • Low or empty PTU/rear differential fluid level
    • Repeat PTU replacements under warranty

    How to Fix

    Clean the underbody, dye-trace the leak, and confirm whether the fluid is PTU/diff gear lube or transmission fluid before ordering parts. Replace the leaking PTU output or input seal (and the rear differential pinion/side seal on the rear unit) and refill with the specified fluid to the correct level; if the unit is already noisy from running low, the PTU or rear differential module is replaced as an assembly. Change PTU and rear differential fluid on the maintenance schedule (roughly every 60,000 miles, sooner if the vehicle is used off-road or tows).

    What you need to fix it

    Only diagnosis- and fitment-reviewed repair parts are linked here.

    • PTU input/output shaft seal (passenger-side RH)
      OEM68408749AA$13–$19

      Second seal in the same PTU serviceable-parts diagram, catalogued by dealers as the transfer-case input shaft seal, passenger side (RH). On a PTU leak this is commonly replaced together with 68408748AA.

      MoparPartsGiant
    • PTU input seal — 6-speed manual C635 4x4 only
      OEM68408750AA$27–$38

      VARIANT: this seal is only for 4x4 Compasses built with the C635 6-speed manual (sales code DE1) — Sport 4x4 / Latitude 4x4 manuals. If the car has the 9-speed automatic you need 68408748AA instead.

      MoparPartsGiant
    • Rear differential (RDM) output/side shaft seal — QTY 2
      OEM68408734AA$14–$20

      This is the seal for the film owners find on the driver's side of the rear diff. QTY 2 required (left and right).

      MoparPartsGiant
    • Power Transfer Unit assembly (replace-as-unit if already whining)
      OEM68292767AF$1309–$1965

      Ordered when the PTU is already noisy from running low on lube — reseal is not a fix once the gears are damaged. Supersedes 68292767AB/AC/AD/AE, so an older number on an invoice will ship as AF.

      MoparPartsGiant
    • Rear differential / Rear Drive Module assembly (replace-as-unit if already whining)
      OEM68292765AH$673–$1020

      Current-level rear axle differential assembly; supersedes 68292765AB/AC/AD/AE/AF/AG (the 2018 build-level number was 68292765AC). Ordered when the rear unit itself is whining rather than just seeping.

      MoparPartsGiant
    • PTU / front axle synthetic gear lubricant (refill after seal work)
      OEM68280932AA$37–$53

      IMPORTANT: the PTU and the rear diff use two DIFFERENT Mopar lubricants and the part numbers differ by one digit. 68280932AA is the PTU/front-axle fluid; 68280933AA is the rear-axle/RDM fluid.

      MoparPartsGiant

    As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

    Typical repair cost:$200 - $1,800

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    Low ConfidenceVerifiedReviewed Aug 2026

    On the 2018-2024 Jeep Compass, second-generation Compass owners report the Forward Collision Warning and Active Emergency Braking system throwing 'Service Forward Collision Warning' or 'FCW Unavailable' messages, going dark along with adaptive cruise, and — more seriously — braking or alerting for nothing. 2023-2024 owners describe the car lurching and decelerating from 65 to 20 mph with no obstacle, often with adaptive cruise in rain or fog. NHTSA complaint data shows forward-collision avoidance as a top-three category for 2022-2025 Compass. Dealers have replaced the windshield camera and front radar, recalibrated the sensors, and applied software updates, with mixed results; owners often return three or more times.

    Common Symptoms

    • 'Service Forward Collision Warning' or 'FCW Unavailable' message
    • Adaptive cruise control drops out with the FCW light
    • False collision alerts with nothing ahead
    • Unexpected hard braking (phantom braking), especially in rain or fog
    • System fails to warn or brake when needed

    How to Fix

    First clean the windshield camera area and the radar behind the front emblem and check for bumper/windshield damage or misalignment. Have the dealer check for the current camera/radar/ADAS software (a software update resolved a batch of 2023 phantom-braking cases) and perform a sensor alignment/calibration. If the fault returns, the radar module or camera is replaced under the 3yr/36k basic warranty; out of warranty a radar module runs $600-1,200 plus calibration. Document every visit — repeat failures on a new car support a lemon-law claim.

    Typical repair cost:$0 - $1,500

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2007-2020 Jeep Compass, the plastic gears inside the temperature blend door actuator strip, so the actuator motor free-spins and ratchets. Owners hear a rapid tick-tick-tick from behind the glovebox or center dash for several seconds after startup and every time the temperature or mode is changed, and one side of the cabin (or the whole system) gets stuck blowing only hot or only cold. The failure is common on the MK Compass and carries into the MP; the recirculation and mode actuators use the same gear train and fail the same way. It is a wear item rather than a control-head fault, so replacing the climate control head does not fix it.

    Common Symptoms

    • Rapid clicking or ticking from behind the glovebox or dash
    • Clicking for a few seconds after starting or shutting off the car
    • Temperature stuck on hot or cold regardless of setting
    • Air comes out of the wrong vents / mode will not change
    • Driver and passenger sides at different temperatures on dual-zone

    How to Fix

    Identify which actuator is ratcheting by sweeping temperature cold-to-hot and toggling recirculation while listening. Drop the glovebox (and on some cars the lower dash panel) to reach the actuator, unplug it, remove the two or three screws and swap in a new unit - Mopar OEM is strongly preferred because aftermarket units often mis-calibrate. After installation, cycle the ignition and let the HVAC module run its automatic actuator calibration, or run the calibration routine with a scan tool.

    Typical repair cost:$90 - $400

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    Medium ConfidenceVerifiedReviewed Aug 2026
    NHTSA Recalls4 recalls

    SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

    Chrysler (FCA US, LLC) is recalling certain 2022 Jeep Compass vehicles. The front seat head restraints were not welded properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 202, "Head Restraints."

    Campaign #22V24800014/04/2022

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    Chrysler (FCA US, LLC) is recalling certain 2022 Jeep Compass vehicles. The instrument panel center cluster display may be insufficiently illuminated and may not appear visible during daytime driving conditions. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

    Campaign #23V05800009/02/2023

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Compass vehicles. The brightness level of the instrument panel cluster (IPC) may not be adjustable due to incorrect software in the body control module (BCM). As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

    Campaign #23V57600014/08/2023

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    Chrysler (FCA US, LLC) is recalling certain 2021-2022 Dodge Durango, 2021-2023 Chrysler Pacifica, Jeep Grand Cherokee L, 2022 Ram 1500, 2500, 3500, Chrysler Voyager, 2022-2023 Jeep Compass, Grand Cherokee, Wagoneer, Grand Wagoneer, and Ram Promaster vehicles. The radio software may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

    Campaign #24V43600013/06/2024

    Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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    Frequently Asked Questions

    What are the most common Jeep Compass problems?

    According to Au7o's analysis of 1,279+ owner reports, the 2018 Jeep Compass has 19 documented issues. The most frequently reported are: 2.4L Tigershark Oil Pump Failure / Engine Stalling, Electrical System / Voltage Regulator Failure Causing Stalling, Front Lower Control Arm Weld Defect — Control Arm Separation (Recall 18V279 / U42). Of these, 4 are rated critical and should be addressed promptly.

    Is the Jeep Compass reliable?

    The 2018 Jeep Compass has 19 known issues documented across 1,279+ owner reports. 4 issues are rated critical: 2.4L Tigershark Oil Pump Failure / Engine Stalling and Electrical System / Voltage Regulator Failure Causing Stalling and Front Lower Control Arm Weld Defect — Control Arm Separation (Recall 18V279 / U42) and Rear Brake Caliper Piston Coating Defect — Soft / Long Brake Pedal (Recall 18V523 / U86). 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.

    How much does it cost to fix common Jeep Compass problems?

    Repair costs for known Jeep Compass issues range from $0 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 2.4L Tigershark Oil Pump Failure / Engine Stalling, typically costs $0-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

    What is the 2017-2022 Jeep Compass 2.4L Tigershark Oil Pump Failure / Engine Stalling?

    The 2.4L Tigershark engine may experience oil pump failure where insufficient oil pressure causes the engine to stall while driving. NHTSA Recall 17V-670 (October 2017) addressed oil pumps that would not deliver adequate pressure. The engine uses hydraulic valve actuators that re… Repairs typically run $0-$800. Severity: high.

    What is the 2017-2021 Jeep Compass Electrical System / Voltage Regulator Failure Causing Stalling?

    The voltage regulator can fail, causing the vehicle to stall unexpectedly. A separate recall (affecting 12,779 units of 2018 models) addressed this specific failure mode. Additional electrical gremlins include failing infotainment system (Uconnect freezing/rebooting), erratic ins… Repairs typically run $100-$1,200. Severity: high.

    What is the 2018 Jeep Compass Front Lower Control Arm Weld Defect — Control Arm Separation (Recall 18V279 / U42)?

    A batch of about 2,761 early 2018 (MP) Compass vehicles was built with front lower control arms whose welds were incorrectly made. A defective weld can allow the arm to separate from its bushing/ball-joint section, producing a sudden loss of steering control. This is a manufactur… Repairs typically run $0-$0. Severity: high.

    What is the 2018-2019 Jeep Compass Rear Brake Caliper Piston Coating Defect — Soft / Long Brake Pedal (Recall 18V523 / U86)?

    On 2018-2019 Compass built March 17 - June 21, 2018 (154,335 vehicles across FCA lines), rear brake caliper pistons were produced with insufficient chrome coating. The bare surface reacts with brake fluid and forms gas pockets in the caliper, so on start-up the pedal can travel f… Repairs typically run $0-$0. Severity: high.

    What is the 2017-2025 Jeep Compass 9-Speed Automatic Transmission Rough Shifting?

    The ZF 9HP48 9-speed automatic transmission in second-generation Compass models suffers from rough shifting, delayed engagement, hunting for gears, and jerky low-speed operation. Approximately 30% of owners report transmission issues within 100,000 miles per Consumer Reports data… Repairs typically run $0-$4,000. Severity: medium.

    What is the 2017-2022 Jeep Compass Auxiliary Stop/Start Battery Failure Causing Parasitic Drain and No-Start?

    MP Compasses with engine Stop/Start carry a small auxiliary battery in addition to the main battery. When the auxiliary battery degrades - which owners commonly report at 2-4 years - it back-drains the main battery while the vehicle sits, leaving the Compass dead after a few days… Repairs typically run $150-$600. Severity: medium.

    What is the 2017-2024 Jeep Compass A/C Evaporator Core Leak?

    The A/C evaporator core in the Compass develops pinhole leaks from internal corrosion, causing the A/C system to lose refrigerant. The evaporator is located deep inside the HVAC housing behind the dashboard, making replacement extremely labor-intensive (8-12 hours). The issue is… Repairs typically run $800-$2,000. Severity: medium.

    What is the 2017-2024 Jeep Compass Oil Filter Housing Leak (2.4L Tigershark)?

    The 2.4L Tigershark engine in the Compass develops oil leaks from the oil filter housing adapter gasket. The gasket between the oil filter housing and the engine block hardens and shrinks, allowing oil to seep. The leak drips onto the exhaust manifold, creating a burning oil smel… Repairs typically run $150-$500. Severity: medium.

    What is the 2007-2021 Jeep Compass Rear Wheel Bearing / Hub Assembly Failure (Repeat Failures)?

    Both the MK (2007-2016) and MP (2017+) Compass use a sealed rear hub/bearing unit that owners report failing as early as 30,000-40,000 miles, frequently repeating on the same corner within a year of replacement. Owners describe a growl or hum that rises with speed and changes whe… Repairs typically run $250-$650. Severity: medium.

    What is the 2007-2018 Jeep Compass Front Lower Control Arm Bushing and Tie Rod Wear Causing Clunk and Wander?

    The MK Compass (shared platform with the Patriot and Caliber) wears out the front lower control arm rear bushings and the inner/outer tie rod ends early - many owners report replacement between 40,000 and 80,000 miles. Symptoms start as a clunk or pop through the floor when accel… Repairs typically run $300-$900. Severity: medium.

    What is the 2015-2023 Jeep Compass Uconnect Head Unit Random Reboot / Frozen Touchscreen?

    The Uconnect radio in the MP Compass (and later MK cars) randomly reboots while driving, sometimes every few minutes, or freezes with the touchscreen unresponsive while audio continues. Owners report the backup camera, Apple CarPlay/Android Auto, HVAC controls on the screen and s… Repairs typically run $0-$1,200. Severity: medium.

    What is the 2007-2022 Jeep Compass Blocked Sunroof Drain Tubes Causing Water Leaks into Headliner and Rear Cargo Area?

    Sunroof-equipped Compasses use four drain tubes (two front A-pillar, two rear routed down the D-pillar to behind the rear wheels). The tubes clog with pollen and debris or become kinked/disconnected at the sunroof tray, and the overflow dumps inside the vehicle. Owners consistent… Repairs typically run $0-$400. Severity: medium.

    What is the 2017-2022 Jeep Compass Power Transfer Unit (PTU) / Rear Differential Seal Leak and Whine on 4x4 Models?

    On 4x4 MP Compasses the Power Transfer Unit bolted to the transaxle, and the rear differential module, leak gear lube past their output/pinion seals. Owners find a fluid film on the underbody, on the driver-side of the rear diff, or drips mistaken for transmission fluid, and once… Repairs typically run $200-$1,800. Severity: medium.

    What is the 2018-2024 Jeep Compass Forward Collision Warning / AEB — 'Service FCW' Faults, False Alerts and Phantom Braking (2018-2024)?

    Second-generation Compass owners report the Forward Collision Warning and Active Emergency Braking system throwing 'Service Forward Collision Warning' or 'FCW Unavailable' messages, going dark along with adaptive cruise, and — more seriously — braking or alerting for nothing. 202… Repairs typically run $0-$1,500. Severity: medium.

    What is the 2017-2025 Jeep Compass Liftgate Strut Failure and Liftgate Dropping?

    The gas struts that hold the rear liftgate open on the Compass fail prematurely, causing the liftgate to drop onto the user's head or not stay open. The struts lose their gas charge due to seal deterioration, particularly in cold climates where the temperature differential accele… Repairs typically run $50-$400. Severity: low.

    What is the 2017-2025 Jeep Compass Windshield Stress Cracking?

    The 2017+ Compass windshield is prone to stress cracking without impact, particularly from the edges and corners. The windshield bonding adhesive and the body flex characteristics of the unibody chassis create stress points in the glass. Temperature changes (cold nights followed… Repairs typically run $300-$800. Severity: low.

    What is the 2007-2020 Jeep Compass HVAC Blend Door Actuator Gear Failure (Clicking Behind the Dash, Stuck Temperature)?

    The plastic gears inside the temperature blend door actuator strip, so the actuator motor free-spins and ratchets. Owners hear a rapid tick-tick-tick from behind the glovebox or center dash for several seconds after startup and every time the temperature or mode is changed, and o… Repairs typically run $90-$400. Severity: low.

    What is the 2017-2023 Jeep Compass Instrument Cluster Brightness Cannot Be Dimmed — IPC/BCM Software (Recalls 17V740, 23V058, 23V576)?

    Two separate software defects left the second-generation Compass cluster stuck at one brightness. 17V740 (T70) covered 25,823 2017-2018 vehicles whose instrument-cluster software would not allow the backlight to be dimmed, so the display glares at night. 23V058 (2022) and 23V576… Repairs typically run $0-$0. Severity: low.

    What is the 2017-2022 Jeep Compass Power Door Lock Actuator Failure and Passive-Entry Ghost Locking (Second Generation)?

    On the 2017+ (MP) Compass, owners report door lock actuators that click but no longer move the latch — commonly because the plastic linkage clip between the actuator motor and the latch rod breaks — so one door (often the driver's) stays locked or unlocked with the rest of the ca… Repairs typically run $60-$400. Severity: low.

    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.

    Data sourced from 1,279+ owner reports, NHTSA recalls, TSBs, and automotive forums.