Most common 2020 Cadillac XT6 problems
Share of the 38 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Cadillac XT6 complaints by model year
Best XT6 years: 2022. Compare all years →
2020 Cadillac XT6 recalls (4)
Back over prevention › Sensing system › Camera
General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.
Remedy: Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed January 18, 2023. Owners may contact Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782.
Power train › Automatic transmission
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles.
Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020.
Fuel system, gasoline › Delivery › Fuel pump
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.
Remedy: GM will notify owners, and dealers will replace the fuel pump module. The recall began November 16, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet…
Air bags › Side/window › Curtain › Inflator
General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020.
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2020 Cadillac XT6:
Rear-View Camera Failure
On July 22, 2022, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE22-006) to assess alleged failures of the rear-view camera (RVC) in Model Year (MY) 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The complaints report that the screen for the RVC is black, sometimes with a red triangle and a circle with a line through it.
What 2020 Cadillac XT6 owners say
Electrical system
The contact owns a 2020 Cadillac XT6. The contact stated that while the vehicle was parked, the instrument panel went black. The vehicle was restarted, and the instrument panel lights illuminated but the vehicle began shaking from the driver's side. The check oil warning light was illuminated. Additionally, the contact stated that she felt heat coming from where her feet were located under the dashboard. The vehicle was taken to a dealer where it was diagnosed and determined the driver's speaker was inoperable due to unknown electrical fault and needed to be replaced. The vehicle was not repaired. On another occasion, while driving 10 MPH, the contact observed a dripping noise coming from underneath the vehicle. The check oil warning light was illuminated. The vehicle was taken to a dealer where it was diagnosed that the oil needed to be changed. …
The contact owns a 2020 Cadillac XT6. The contact stated that after entering the front passenger's side of the vehicle, she observed water leaking into the interior. After a visual inspection, the contact discovered water damage to the floorboards. The vehicle was taken to the dealer, who determined that the cabin filter was clogged and needed to be replaced. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer after the contact smelled a burning odor in the interior of the vehicle. The dealer determined that water had damaged several electrical components inside the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 30,000.
Driver assistance
The contact owns a 2020 Cadillac XT6. The contact stated when she placed her vehicle in reverse(R), the rearview camera screen went blank with a line was on the display screen. The vehicle was taken to the dealer and the rearview camera was replaced; however, the failure persisted. The manufacturer was not contacted. The failure mileage was 16,572.
The contact owns a 2020 Cadillac XT6. The contact stated that while reversing at an undisclosed speed, the rear-view camera screen was intermittently dark and inoperable. The camera malfunction warning light was illuminated. The vehicle was taken back to the residence. The failure mileage was approximately 41,000.
Transmission & drivetrain
The contact owns a 2020 Cadillac XT6. The contact stated while driving at 35 MPH, the vehicle lost power. The vehicle was restarted from the Cadillac App via phone. The contact stated that during the second failure " The steering assist is reduced drive with care" warning message and the check engine warning light illuminated. The contact stated she called On-Star where she was informed the tire pressure, the engine, and the transmission needed attention. The vehicle was towed to a dealer by AAA where it was diagnosed the camshaft solenoid was faulty, with a present poil leak, along with codes P0014 and P0017. As a result, the parts of the engine and battery needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and offered the contact a check to purchase a new vehicle. The approximate failure mileage was 159,838.
The contact owns a 2020 Cadillac XT6. The contact stated that while accelerating from a complete stop and driving below 30 MPH, the vehicle shuddered, hesitated, and jerked. The vehicle was taken to the dealer, where it was diagnosed with burned transmission fluid and excessive metal shavings inside the fluid. The dealer determined that the transmission needed to be replaced. The vehicle was scheduled to be repaired. The contact associated the failure with NHTSA Campaign Number: 20V668000 (Power Train). The manufacturer was notified of the failure by phone and offered to cover 50 percent of the cost of the repair. The failure mileage was 16,000.
2020 Cadillac XT6 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.6L 6-cyl | 9-speed automatic | FWD | 18 / 25 / 20 |
| 3.6L 6-cyl | 9-speed automatic | AWD | 17 / 24 / 20 |
EPA ratings. Class: Small SUV.
Frequently asked questions
Is the 2020 Cadillac XT6 a good car?
There isn't enough complaint history for the XT6 to compare model years reliably. So far owners have filed 38 complaints with NHTSA.
What is the most common problem with the 2020 Cadillac XT6?
The electrical system — 11 complaints, 29% of all complaints for this model year, most often about instrument cluster/panel. Next are the driver assistance (10) and transmission & drivetrain (9).
How many recalls does the 2020 Cadillac XT6 have?
There are 4 recalls for the 2020 Cadillac XT6, the most recent from September 22, 2022 (camera). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Cadillac XT6?
The best years by complaints, compared at the same age, are 2022. See the full Cadillac XT6 years comparison.
At what mileage do 2020 Cadillac XT6 problems happen?
The median mileage reported in complaints is about 16,000 miles; 80% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.