What is the 2021-2025 Cadillac XT4 Fuel Pump Control Module Failure Causes Sudden Stall and Crank-No-Start (P203F)?

The fuel pump power control module (FPCM), mounted under the vehicle near the fuel tank on 9-speed 2.0T LSY XT4s, fails internally and stops commanding the in-tank pump. The failure is typically abrupt with no preceding driveability symptoms: the engine cuts out at speed or refus… Repairs typically run $600-$1,500. Severity: high.

What is the 2023-2025 Cadillac XT4 Phantom Automatic Emergency Braking Engages With No Obstacle Present?

The forward collision / automatic emergency braking system on later XT4s misreads the road and commands a hard, unrequested brake application at speeds from parking-lot crawl up to 70 mph. Owners describe the vehicle slamming to a near stop on open highway with nothing ahead, at… Repairs typically run $0-$900. 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 2019-2022 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 2019-2025 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 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.

What is the 2020 Cadillac XT4 Blank Radio Display or No Audio Is Limited to Early Radio Software?

GM bulletin 20-NA-087 covers a 2020 XT4 equipped with Premium Audio RPO UQS and infotainment IOS, IOU or IOT when the display is blank or black and recovers after an ignition cycle, or audio or video is lost. The bulletin applies only when the radio software is below U146/V146. 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 2020-2025 Cadillac XT4 Front Brake Squeal on First Stops of the Day and When Backing Out (TSB 20-NA-002)?

A loud high-pitched squeal comes from the front brakes at low speed, most reliably on the first few stops of the morning and when backing out of a garage, then disappears for the rest of the drive cycle. Inspection consistently finds the pads have plenty of material left and the… Repairs typically run $150-$500. Severity: low.

Cadillac · Known Issues

2019-2025 Cadillac XT4 Problems: 15 Known Issues

2019-2025 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019-2025 Cadillac XT4 has 15 documented known issues, with 5 rated critical. The most serious are Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera ($0-$900 repair), Fuel Pump Control Module Failure Causes Sudden Stall and Crank-No-Start (P203F) ($600-$1,500 repair), Phantom Automatic Emergency Braking Engages With No Obstacle Present ($0-$900 repair), 2020 XT4 Tire Recall — Over-Cured Continental Tires Risk Sudden Air Loss (21V115000) 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.

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 2019-2025 Cadillac XT4 has 15 documented issues. The most frequently reported are: Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera, Fuel Pump Control Module Failure Causes Sudden Stall and Crank-No-Start (P203F), Phantom Automatic Emergency Braking Engages With No Obstacle Present. Of these, 5 are rated critical and should be addressed promptly.

Is the Cadillac XT4 reliable?

The 2019-2025 Cadillac XT4 has 15 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 5 issues are rated critical: Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera and Fuel Pump Control Module Failure Causes Sudden Stall and Crank-No-Start (P203F) and Phantom Automatic Emergency Braking Engages With No Obstacle Present and 2020 XT4 Tire Recall — Over-Cured Continental Tires Risk Sudden Air Loss (21V115000) 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 year Cadillac XT4 is the most reliable?

Reliability varies across model years of the Cadillac XT4. 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 2019-2025 Cadillac XT4 with 15 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.

All 15 Known Issues

Other Cadillac Models

Frequently Asked Questions

What are the most common Cadillac XT4 problems?

Is the Cadillac XT4 reliable?

How much does it cost to fix common Cadillac XT4 problems?

What year Cadillac XT4 is the most reliable?

Phantom Automatic Emergency Braking Engages With No Obstacle Present#

2020 XT4 Tire Recall — Over-Cured Continental Tires Risk Sudden Air Loss (21V115000)#

Surround Vision Video Processing Module Loses Communication - Blank or Intermittent Rear Camera#

Daytime Running Light / Turn Signal LED Module Overheats and Burns Out#

Blank Radio Display or No Audio Is Limited to Early Radio Software#

Missing Bolts on the Start/Stop Accumulator Endcap — Transmission Oil Leak Recall (20V668000)#

9T50 Clutch Pop in Low Gears on Deceleration and Refusal to Engage 9th Gear#

9T50 Surge or Shudder Requires a Transmission Glycol Test#

Fuel Pump Control Module Failure Causes Sudden Stall and Crank-No-Start (P203F)#

LSY 2.0T Camshaft Carrier / Cam Cover Seal External Oil Leak Down the Passenger Side#

2.0T LSY Engine - PCV and Turbo Coolant Line Issues#

Front-Engine Rattle May Require Timing-Chain Tensioner Inspection#

2.0L Turbo Excessive Oil Consumption#

"Service All Wheel Drive System" Message and Loss of AWD From Front Axle Disconnect Actuator#

Front Brake Squeal on First Stops of the Day and When Backing Out (TSB 20-NA-002)#

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