2021 Cadillac XT6 Problems, Complaints & Recalls

Source: NHTSA · Updated Oct 13, 2026 · 20 owner complaints analyzed

Compared with other XT6 years
More complaints than other years 2nd of 6 for complaints
NHTSA crash rating
5 out of 5 stars

Owners have filed 20 complaints with NHTSA about the 2021 Cadillac XT6. That ranks 2nd out of 6 XT6 model years for complaints. The most reported problem area is electrical system (5 complaints, 25%). There are 2 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.

Cadillac XT6
A 2020 Cadillac XT6 Premium photographed in Fresh Meadows, Queens , New York, USA. Representative photo; appearance varies by model year. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2021 Cadillac XT6 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System5
Back Over Prevention4 · ~30,000 mi
Engine4
Fuel/propulsion System4
Steering3
Unknown or Other3
Forward Collision Avoidance2
Engine and Engine Cooling1 · ~37,000 mi
Power Train1
Service Brakes1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System525%———
Back Over Prevention420%30,000——
Engine420%———
Fuel/propulsion System420%———
Steering315%———
Unknown or Other315%———
Forward Collision Avoidance210%———
Engine and Engine Cooling15%37,000——
Power Train15%———
Service Brakes15%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2026, with 7 complaints
2021: 2202122023: 5202352024: 1202412025: 5202552026: 720267

n = 20 complaints · Source: NHTSA

2021 Cadillac XT6 recalls (2)

Tap a recall to see the problem, the risk and the fix.

Back over prevention: sensing system: cameraSep 22, 2022 · NHTSA campaign 22V709000 · 95,231 vehicles

Problem: 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.

Fuel system, gasoline:delivery:hoses, lines/piping, and fittingsJun 3, 2021 · NHTSA campaign 21V422000 · 572 vehicles

Problem: General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.

Risk: Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.

Fix: Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Cadillac customer service at 1-800-458-8006 and GMC customer service at 1-800-462-8782. GM's number for this recall is N212335590.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

NHTSA defect investigations

  • Rear-View Camera Failure (PE22006) — opened Jul 22, 2022, closed Nov 21, 2022, led to recall 22V709000.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

DTC P0128 engine coolant thermostat to open at a lower temperature than intended. The Check Engine Light appeared, a Steering warning appeared on my information screen, and the engine cooling fan continued to run excessively after turning off. I understand there is a Special Coverage N252508350 for…

Steering · received Oct 13, 2026 · NHTSA complaint 11770960

On September 15,2026, my vehicle experienced a catastrophic los of power steering assist accompanied by severe heavy steering. Please review General Motors TSB 20-NA-215 & TSB 17-NA-158 both addressing this issue. My 2021 vehicle has a build date of September 19, 2020 which falls "directly" in the…

Electrical System · received Oct 11, 2026 · NHTSA complaint 11770401

Your site shows no recalls. I got a recall for a repair I had to have done a few months ago. I just got the recall notice from GM, but when I called to inquire about a reimbursement, they state the recall was released in 10/2025. Even though your site says there was no recall at the time.

Fuel/propulsion System · received Jul 1, 2026 · NHTSA complaint 11747724

The contact owns a 2021 Cadillac XT6. The contact stated that while reversing, the rear-view camera intermittently displayed a blank image. The vehicle was taken to the dealer, who was unable to duplicate the failure and informed the contact that the contact had to pay for the rear-view camera…

Back Over Prevention · received Mar 12, 2026 · NHTSA complaint 11723785

Cadillac XT6 – VIN: [XXX] echanical Failures, Ignored Transmission Recall(s), and Dealer Negligence I write this letter to formally place General Motors Company on notice of a pattern of serious mechanical failures, ignored safety recalls, and dealership indifference involving my Cadillac XT6…

Power Train · received Feb 9, 2026 · NHTSA complaint 11716802

Other Cadillac XT6 years

← 2020 XT6 · 2022 XT6 →

YearComplaintsRecalls
2025 XT681
2024 XT6152
2023 XT6132
2022 XT6153
2021202
2020 XT6384

See all Cadillac XT6 problems by year, every Cadillac model, or the Cadillac VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Cadillac XT6?

Owners most often report electrical system, back over prevention, engine problems. The top one, electrical system, accounts for 5 complaints.

Was there a recall on the 2021 Cadillac XT6?

Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Cadillac XT6 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other XT6 model years, the 2021 has more complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.