2021 Cadillac XT6 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 5%of 21 total for the year
- Median mileage
- 37,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2021 Cadillac XT6, 5% of the 21 complaints for this model year. Where a mileage was given, the median is 37,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Cadillac XT6. The contact stated that while sitting inside the vehicle, the vehicle felt unbalanced. Upon inspection, the contact noticed that the H-pipe was leaning more to the right side. The H-pipe was not centered as intended. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The contact stated that in the past, while the vehicle was serviced, no one had noticed that the H-pipe was off-center. The manufacturer was not notified of the failure. The failure mileage was approximately 37,000.”
NHTSA complaint #11709237, filed 2026-01, 37,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 5% |
| 2020 | 1 | 3% |
Other parts of the 2021 Cadillac XT6
5 complaintsEngine
5 complaintsBack-over prevention (rear camera)
4 complaintsFuel system
4 complaintsOther or unknown
3 complaintsSteering
3 complaintsForward collision avoidance
2 complaintsBrakes
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2021 Cadillac XT6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology