2020 Cadillac Xt6 problems, complaints & recalls
Most-reported problem areas: Power Train (8) · Electrical System (4) · Steering (2)
🧭 Reliability snapshot
Compared against other Cadillac Xt6 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (4)
Back Over Prevention: Sensing System: Camera 2022-09-22 · campaign 22V709000 · 95,231 vehicles
Defect: 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.
Risk: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.
Fix: 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. GM's number for this recall is N222378380.
Power Train:automatic Transmission 2020-10-29 · campaign 20V668000 · 194,105 vehicles
Defect: 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. The start/stop accumulator endcap may have missing bolts.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Fix: 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. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Fuel System, Gasoline:delivery:fuel Pump 2020-10-15 · campaign 20V639000 · 2,781 vehicles
Defect: 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.
Risk: Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a crash.
Fix: 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 customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202314760.
Air Bags:side/Window:curtain:inflator 2020-07-30 · campaign 20V446000 · 769 vehicles
Defect: 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. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
Risk: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Fix: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
Service bulletins (858)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions
this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.
Unknown Or Other 2026-03-09 · PIP4902V · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 858 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-27 · Steering“unacceptable safety hazard: general motors & cadillac need to take responsibility i am writing this to urge cadillac and general motors to address a critical safety issue before someone gets seriously hurt or dies. while driving my 2020 cadillac xt6 over an overpass in xxx, the vehicle suffered a complete electrical breakdown. every dash light f…”
2026-10-09 · Power Train · 16,000 mi“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 transmi…”
2026-10-01 · Back Over Prevention · 41,000 mi“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. …”
2026-06-23 · Fuel/Propulsion System“vehicle stalled while driving on a busy road creating a very dangerous situation. could not put it in neutral to push it out of the road; it was partially in the road for over an hour. had to have it towed to replace the fuel pump and fuel pump control unit. found two recalls after the incident and was told by cadillac that my vin was excluded. 1. …”
2026-04-24 · Power Train“at 60,740 miles, "steering assist is reduced drive with care" message appeared. under warranty, but dealership booked for 2 months. error went away. after powertrain warranty expires (70,000 miles), message constantly appears, and coolant thermostat display is blank. results in excess fan usage (lowering fuel consumption), reduced steering assi…”
2026-02-12 · Power Train“transmission jerking and has become unsafe to drive. will have to go back to the dealership for this issue. this will be the third time 4 same issue. …”
2025-12-10 · Unknown Or Other“vehicle has a known condition with many same year make and model that could cause the engine coolant thermostat to open at a lower temperature than intended. this condition has occurred. as a result the malfunction indicator lamp (check engine light) illuminates and a diagnostic trouble code is set and “steering assistance reduced” appear. the engi…”
2025-10-14 · Tires“while driving approximately 15 mph i noticed a scraping sound and shimmy in the back. i took the car to capital cadillac for diagnostic. they found that the tires were separated. i bought the car brand new in 2020 and it has about 21k miles on it. 265/45 r 21 104 v…”
2025-07-22 · Engine“the radiator is not functioning, confirmed by a mechanic at a dealership. an engine light did appear to notify me of the problem, however the car has been kept in great condition without accident or cause for the radiator to stop functioning in such a young vehicle. …”
2025-06-25 · Structure:body“way back rear window leaks in car wash or heavy rain. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.