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Cadillac · Known Issues

2019 Cadillac XT4 Problems: 10 Known Issues

2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Cadillac XT4 has 10 documented known issues, with 2 rated critical. The most serious are Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera ($0-$900 repair) and Missing Bolts on the Start/Stop Accumulator Endcap — Transmission Oil Leak Recall (20V668000). Across all issues with published estimates, repair costs range from $50 to $3,500. DIY maintenance guides at au7o.io.

In This Article

  • XT4 Transmission3
  • XT4 Electrical2
  • XT4 Engine4
  • XT4 Drivetrain1
  • Recalls4
  • FAQ
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In This Article

  • Transmission3
  • Electrical2
  • Engine4
  • Drivetrain1
  • Recalls4
  • FAQ

All 10 Known Issues

NHTSA Recalls4 recalls

STRUCTURE:INTERIOR PANELS:DASHBOARD

General Motors, LLC (GM) is recalling certain 2025 Cadillac XT4 vehicles. The instrument panel may be missing the perforation on the underside of the panel cover that allows the passenger-side air bag to deploy properly.

Campaign #24V79500024/10/2024

EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

General Motors, LLC (GM) is recalling certain 2024 Cadillac XT4 and Chevrolet Malibu vehicles. The vehicles may have the wrong owner's manual in the glove box. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."

Campaign #24V57500001/08/2024

SEAT BELTS:CRITICAL FASTENERS

General Motors, LLC (GM) is recalling certain 2016-2021 Chevrolet Malibu and 2019-2021 Cadillac XT4 vehicles. The rear seat belt retractors may be improperly secured with loose or missing fasteners.

Campaign #21V64900020/08/2021
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Other Cadillac Models

Cadillac XTS30Cadillac CT524Cadillac Escalade20Cadillac Lyriq19Cadillac XT617Cadillac CT617

Frequently Asked Questions

What are the most common Cadillac XT4 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Cadillac XT4 has 10 documented issues. The most frequently reported are: Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera, Missing Bolts on the Start/Stop Accumulator Endcap — Transmission Oil Leak Recall (20V668000), Daytime Running Light / Turn Signal LED Module Overheats and Burns Out. Of these, 2 are rated critical and should be addressed promptly.

Is the Cadillac XT4 reliable?

The 2019 Cadillac XT4 has 10 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera and Missing Bolts on the Start/Stop Accumulator Endcap — Transmission Oil Leak Recall (20V668000). 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 Cadillac XT4 problems?

Repair costs for known Cadillac XT4 issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera, typically costs $0-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2019-2020 Cadillac XT4 Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera?

XT4s built with the optional Surround Vision (360-degree camera) package use a video processing module (VPM) that can lose communication on the vehicle's data bus, leaving the rearview camera image blank, frozen, or intermittently dropping out. GM recalled 2019-2020 XT4s with Sur… Repairs typically run $0-$900. Severity: high.

What is the 2019-2020 Cadillac XT4 Missing Bolts on the Start/Stop Accumulator Endcap — Transmission Oil Leak Recall (20V668000)?

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 compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

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On the 2019-2020 Cadillac XT4, 2019 and 2020 Cadillac XT4 crossovers are among the GM vehicles recalled under campaign 20V668000 for a start/stop transmission accumulator whose endcap may be missing bolts from the factory. With the endcap not fully bolted down, transmission oil can leak out of the accumulator. GM's filing states the leak may progress to a loss of propulsion — the XT4 can stop driving — which increases the risk of a crash, and that transmission fluid reaching an ignition source raises the risk of fire. This is a build defect rather than a wear item, so an affected XT4 can be at risk regardless of mileage until the accumulator has been inspected.

Common Symptoms

  • Transmission oil leak
  • Loss of propulsion while driving

How to Fix

The fix costs the owner nothing. A Cadillac dealer inspects the start/stop transmission accumulator and, if any bolts are missing from the endcap, replaces the accumulator. Notification letters went out starting December 15, 2020. Run your XT4's VIN through nhtsa.gov/recalls to see whether this remedy is still outstanding, and reach Cadillac customer service at 1-800-458-8006 to schedule. GM tracks the campaign internally as N202313440.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2019-2024 Cadillac XT4 LSY 2.0T, two related 9T50 nine-speed complaints that are distinct from the coolant-contamination shudder: first, a clutch-like pop or jerk in first through third gear while decelerating, present from new on some vehicles; second, the transmission never selects 9th gear in normal automatic operation - owners can only reach 9th by using the paddle shifter or by dropping into manual mode and flicking back to auto. Dealers cite GM bulletin 21-NA-181, which characterizes reduced top-gear usage as normal efficiency-driven shift scheduling, but owners report the same vehicle holding 9th once manually commanded, which points to shift-scheduling calibration behavior rather than a hardware fault. A reprogram and relearn alone frequently does not change it.

Common Symptoms

  • Clutch-like pop or jerk in gears 1-3 while decelerating
  • Transmission never shifts into 9th gear automatically
  • 9th gear only reachable via paddle shifter or manual mode
  • Rough downshifts approaching a stop
  • Higher than expected cruising RPM on the highway

How to Fix

First rule out the real hardware causes: check transmission fluid level and condition and specifically test for coolant/glycol contamination, because a contaminated 9T50 produces overlapping symptoms. If fluid is clean, have the dealer install the latest transmission control module calibration and perform a full adaptive-shift relearn (fast learn plus a proper drive cycle) - the relearn matters as much as the software. For the low-gear deceleration pop, GM's fix path is the updated TCM calibration; persistent mechanical popping after a completed relearn warrants inspection of the low/reverse and 1-2-3-4 clutch apply for early wear. Reference bulletin 21-NA-181 for the 9th-gear behavior so expectations are set before paying for teardown.

Typical repair cost:$150 - $1,200

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Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2019 Cadillac XT4 2.0L Turbo I4 (RPO LSY), gM bulletin 18-NA-378 covers the 2019 XT4 with the 2.0L LSY engine and 9T50 transmission RPO M3H when the vehicle surges, chuggles, fishbites or shudders. GM identifies possible glycol contamination from the stack-plate heat exchanger and requires a fluid-condition check and glycol test before choosing a repair.

Common Symptoms

  • Surge
  • Chuggle
  • Fishbite sensation
  • Shudder

How to Fix

Have a qualified transmission technician verify RPO M3H, check fluid level and condition and perform the GM glycol test. With no detected glycol, follow the bulletin drain-and-fill procedure using the specified DEXRON VI fluid; at 50 ppm or more, follow the transmission and cooler replacement path. Do not substitute a universal additive or flush kit. The exact ShowMeTheParts lookup returned no transmission-fluid candidate.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2019-2020 Cadillac XT4, xT4s built with the optional Surround Vision (360-degree camera) package use a video processing module (VPM) that can lose communication on the vehicle's data bus, leaving the rearview camera image blank, frozen, or intermittently dropping out. GM recalled 2019-2020 XT4s with Surround Vision for this condition under NHTSA campaign 22V868000. The important owner-facing detail is that the recall repair has not been durable for everyone: multiple owners report the camera failing again months to a couple of years after the recall work, with at least one owner paying out of pocket for a second camera replacement. A no-image backup camera is a federal safety-compliance failure, not a convenience issue.

Common Symptoms

  • Backup camera screen blank or black when shifted to reverse
  • 360-degree camera view works intermittently
  • Camera image freezes or drops out
  • Problem returns after recall repair

How to Fix

Check the VIN against NHTSA recall 22V868000 first; covered vehicles get the video processing module reprogrammed or replaced at no charge. For repeat failures after the recall, have the dealer scan for lost-communication codes on the VPM and inspect the camera coax/LVDS harness and connectors at the liftgate grommet, where flex fatigue and moisture intrusion cause the same blank-screen symptom. Replace the rear camera or VPM as the data dictates, and confirm the latest VPM and infotainment calibrations are installed before condemning hardware.

Typical repair cost:$0 - $900

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2019-2021 Cadillac XT4, the front DRL and turn-signal LED module in the XT4 headlamp assembly runs hot and fails. Owners report the light first going dim, then dead, and at least one teardown found the modules had been assembled with no heatsink thermal compound between the LED board and its heat spreader, which is exactly the condition that cooks an LED driver. Failures show up on one or both sides, and one owner reported the signal housing physically burned/melted, which failed a state safety inspection. Because the DRL and front turn signal share the module, the vehicle loses both its daytime conspicuity and its front turn indication on that corner.

Common Symptoms

  • Daytime running light dim on one side
  • DRL completely out on driver or passenger side
  • Front turn signal inoperative or hyper-flashing
  • Melted or discolored signal housing
  • Failed state safety inspection for lighting

How to Fix

Confirm the failure is the LED module and not the body control module output by checking for correct supply and PWM command at the connector. The repair is replacement of the front DRL/turn-signal LED module; on the assembly-defect cases the fix is a new module installed with the correct thermal interface material between the LED board and the heat spreader, so specifically verify thermal compound is present on the replacement. Where the module is not separately serviced or where the housing has melted, the complete headlamp assembly must be replaced.

Typical repair cost:$300 - $1,200

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2019-2022 Cadillac XT4 LSY 2.0T, on the 2.0L LSY turbo, the camshaft carrier assembly bolts between the cylinder head and the cam cover, and its sealing surface (along with the intake manifold gasket area) develops an external oil leak, usually discovered during a routine oil-change multipoint inspection between roughly 20,000 and 55,000 miles. Oil runs down the passenger side of the block. This is not oil consumption through the PCV path - it is a discrete external seal failure. Multiple owners report dealers describing it as a known XT4 pattern and quoting large repairs because access requires substantial teardown; some quotes involve pulling the engine or extensive top-end disassembly, and several owners needed multiple return visits before the leak was actually stopped.

Common Symptoms

  • Oil running down the passenger side of the engine block
  • Burning oil smell after driving
  • Oil spots on the driveway
  • Low oil level between changes
  • Leak noted on dealer multipoint inspection video

How to Fix

Clean and dye-trace to separate the camshaft carrier seal from the cam cover gasket, intake manifold gasket, and turbo oil feed/return lines before authorizing work - misdiagnosis here is common and expensive. Correct repair is removal of the cam cover and camshaft carrier, replacement of the carrier-to-head seal (RTV/anaerobic sealing surface per GM procedure) and cam cover gasket, with all mating surfaces fully cleaned and torqued in sequence. Replace the intake manifold gasket at the same time if it shows seepage. Verify GM powertrain warranty coverage before paying out of pocket.

Typical repair cost:$1,200 - $3,500

Research This Issue

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Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2019-2025 Cadillac XT4 2.0T LSY, the XT4 uses the 2.0T LSY engine which is an evolution of the LTG found in the ATS/CTS. The LSY has improved reliability but shares some issues including PCV system problems and turbo coolant line leaks. The turbo coolant lines can develop leaks at the connections, causing coolant loss and potential turbo damage from overheating. The PCV valve/cover can fail causing oil consumption. These issues typically appear between 40,000-80,000 miles.

This issue also affects: Buick Cascada, Buick Encore GX, Buick Encore

Common Symptoms

  • Coolant level dropping slowly
  • Sweet smell from engine bay (coolant leak)
  • Check engine light with misfire or lean codes
  • Excessive oil consumption
  • Turbo whistle changes or louder than normal

How to Fix

Inspect turbo coolant lines and connections for leaks - replace lines if seeping. PCV system is integrated into valve cover - replace valve cover assembly if PCV fails. GM has released updated coolant line designs for some affected vehicles. Regular maintenance with full synthetic oil at 5,000-mile intervals is important for turbo health.

Typical repair cost:$200 - $1,500

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Community Reported
Medium ConfidenceLast reported by owners Feb 2026Reviewed Feb 2026

On the 2019-2025 Cadillac XT4 2.0L Turbo, the 2.0L turbocharged engine in the XT4 consumes oil at a higher-than-expected rate, with some owners reporting a quart consumed every 2,000-3,000 miles. The issue is related to the piston ring design and turbocharger oil scavenge system. GM has not issued a formal service bulletin addressing the root cause.

This issue also affects: Buick Envision, Chevrolet Equinox, GMC Terrain

Common Symptoms

  • Low oil level between changes
  • Low oil pressure warning
  • Oil smell from exhaust
  • Blue haze on hard acceleration

How to Fix

Monitor oil level between changes and top off as needed. Use only Dexos1 Gen3 certified 0W-20 synthetic oil. Have the PCV system inspected for proper function. If consumption exceeds 1 quart per 2,000 miles, request a GM oil consumption test from the dealer. Document consumption for warranty purposes.

Typical repair cost:$50 - $2,000

Research This Issue

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Community Reported
Medium Confidence

On the 2019 Cadillac XT4 2.0L Turbo I4 (RPO LSY), gM PIP5652A covers the 2019 XT4 with the 2.0L LSY engine when a front-engine rattle is present, with or without P0011, P0014, P0016 or P0017. A stuck or collapsed timing-chain tensioner can damage camshaft actuator valve hardware, so GM directs inspection of the actuator snap rings, tensioner and guides rather than automatic replacement of a generic timing kit.

This issue also affects: Buick Cascada, Buick Enclave, Buick Encore

Common Symptoms

  • Rattle from the front of the engine
  • Check-engine light may be present
  • P0011, P0014, P0016 or P0017

How to Fix

Have a qualified technician verify the engine RPO and DTCs, inspect both camshaft actuator valve snap rings, then inspect the timing-chain tensioner and guides using current Cadillac service information. Replace only the failed or damaged components identified by that inspection. The exact ShowMeTheParts lookup returned no timing-chain candidate, so the former aftermarket kit and water-pump links were removed.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2019-2022 Cadillac XT4, aWD XT4s use a twin-clutch rear drive unit with a front-axle disconnect that decouples the driveshaft for fuel economy. When the disconnect actuator, its position sensor, or the rear drive unit clutch control fails, the driver information center posts "Service All Wheel Drive System" and the vehicle reverts to front-wheel drive. Owners report the message appearing at very low mileage - CarComplaints logs the 2020 average at roughly 2,000 miles - which points to a component or calibration defect rather than wear. The vehicle remains drivable in FWD, but traction in snow and rain is materially reduced and the fault is often intermittent, clearing on a restart and returning later.

Common Symptoms

  • "Service All Wheel Drive System" message in the driver information center
  • Vehicle behaves as front-wheel drive in snow or rain
  • Message clears on restart and returns later
  • Clunk or bind from the driveline when AWD engages

How to Fix

Scan the all-wheel-drive control module for stored codes rather than clearing the message; the actuator position and clutch-solenoid circuit codes identify whether the front axle disconnect actuator, the rear drive unit clutch assembly, or wiring is at fault. Inspect and reseat the AWD module and actuator connectors first, since connector corrosion produces the same intermittent message. Confirm the AWD control module has current software, as GM has released reprogramming for false AWD messages. Hardware repair is replacement of the front axle disconnect actuator or, in more serious cases, the rear drive unit clutch pack.

Typical repair cost:$400 - $2,500

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

SEATS

General Motors, LLC (GM) is recalling certain 2021 Chevrolet Malibu, 2022 Chevrolet Equinox, Blazer and Cadillac XT4 vehicles. The driver's seat cushion frame may have an improper weld in the power tilt-adjustment mechanism.

Campaign #22V35900019/05/2022

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

get a full repair guide

2019 and 2020 Cadillac XT4 crossovers are among the GM vehicles recalled under campaign 20V668000 for a start/stop transmission accumulator whose endcap may be missing bolts from the factory. With the endcap not fully bolted down, transmission oil can leak out of the accumulator. Severity: high.

What is the 2019-2021 Cadillac XT4 Daytime Running Light / Turn Signal LED Module Overheats and Burns Out?

The front DRL and turn-signal LED module in the XT4 headlamp assembly runs hot and fails. Owners report the light first going dim, then dead, and at least one teardown found the modules had been assembled with no heatsink thermal compound between the LED board and its heat spread… Repairs typically run $300-$1,200. Severity: medium.

What is the 2019-2024 Cadillac XT4 9T50 Clutch Pop in Low Gears on Deceleration and Refusal to Engage 9th Gear?

Two related 9T50 nine-speed complaints that are distinct from the coolant-contamination shudder: first, a clutch-like pop or jerk in first through third gear while decelerating, present from new on some vehicles; second, the transmission never selects 9th gear in normal automatic… Repairs typically run $150-$1,200. Severity: medium.

What is the 2019-2022 Cadillac XT4 LSY 2.0T Camshaft Carrier / Cam Cover Seal External Oil Leak Down the Passenger Side?

On the 2.0L LSY turbo, the camshaft carrier assembly bolts between the cylinder head and the cam cover, and its sealing surface (along with the intake manifold gasket area) develops an external oil leak, usually discovered during a routine oil-change multipoint inspection between… Repairs typically run $1,200-$3,500. Severity: medium.

What is the 2019-2025 Cadillac XT4 2.0T LSY Engine - PCV and Turbo Coolant Line Issues?

The XT4 uses the 2.0T LSY engine which is an evolution of the LTG found in the ATS/CTS. The LSY has improved reliability but shares some issues including PCV system problems and turbo coolant line leaks. The turbo coolant lines can develop leaks at the connections, causing coolan… Repairs typically run $200-$1,500. Severity: medium.

What is the 2019-2022 Cadillac XT4 "Service All Wheel Drive System" Message and Loss of AWD From Front Axle Disconnect Actuator?

AWD XT4s use a twin-clutch rear drive unit with a front-axle disconnect that decouples the driveshaft for fuel economy. When the disconnect actuator, its position sensor, or the rear drive unit clutch control fails, the driver information center posts "Service All Wheel Drive Sys… Repairs typically run $400-$2,500. Severity: medium.

What is the 2019 Cadillac XT4 9T50 Surge or Shudder Requires a Transmission Glycol Test?

GM bulletin 18-NA-378 covers the 2019 XT4 with the 2.0L LSY engine and 9T50 transmission RPO M3H when the vehicle surges, chuggles, fishbites or shudders. GM identifies possible glycol contamination from the stack-plate heat exchanger and requires a fluid-condition check and glyc… Severity: medium.

What is the 2019-2025 Cadillac XT4 2.0L Turbo Excessive Oil Consumption?

The 2.0L turbocharged engine in the XT4 consumes oil at a higher-than-expected rate, with some owners reporting a quart consumed every 2,000-3,000 miles. The issue is related to the piston ring design and turbocharger oil scavenge system. GM has not issued a formal service bullet… Repairs typically run $50-$2,000. Severity: medium.

What is the 2019 Cadillac XT4 Front-Engine Rattle May Require Timing-Chain Tensioner Inspection?

GM PIP5652A covers the 2019 XT4 with the 2.0L LSY engine when a front-engine rattle is present, with or without P0011, P0014, P0016 or P0017. A stuck or collapsed timing-chain tensioner can damage camshaft actuator valve hardware, so GM directs inspection of the actuator snap rin… Severity: medium.