2021 Cadillac XT5 Engine Problems
- Complaints
- 3about this part
- Share
- 15%of 20 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2021 Cadillac XT5, 15% of the 20 complaints for this model year.
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.
“When braking — both at low speeds and when slowing from highway speeds (40+ mph) — vehicle feels like engine revs and is still pushing against the brakes. Requires very firm pedal pressure to hold car in place; if brake pressure is eased, vehicle surges forward until it finally settles after several seconds. Concern is intermittent but repeatable. I had a near collision on 10/3/2025 due to this issue. I have been in constant contact with the dealership on this, including the service manager, as well as Cadillac Care. …”
NHTSA complaint #11691365, filed 2025-10“At a red light in traffic, it suddenly shut off the engine, emergency brakes went on, multiple warning lights were on (Low Bat, Low fuel {full of fuel}, lower passenger window, etc..), totally immobilized itself by not being able to start the car or push it with the brakes on! 81 year old female driving and if the car did this at highway speed it could have been a catastrophe! It appeared everything else in the car was working but had 'self immobilized'!”
NHTSA complaint #11532274, filed 2023-07“Sudden Engine Shutdown and Loss of Steering Assistance in Traffic — 2021 Cadillac XT5 While operating our 2021 Cadillac XT5 in traffic, the vehicle suddenly and unexpectedly stopped running. The engine shut down, the instrument panel went dark except for a warning stating Low Battery, and steering locked up. The emergency flashers would not work but blue-tooth did. The AC was working fine until shutdown but has not worked since. The car is still in the Cadillac dealership with no reasons given for the shutdown. …”
NHTSA complaint #11771715, filed 2026-10Related service bulletins
- 11024390Oct 21, 2025Certain vehicles listed above, may have a condition that could cause the engine coolant thermostat to open at a lower temperature than intended. If this condition were to occur…
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11019547Apr 22, 2025This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
- 11019543Apr 22, 2025This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
- 11019503Apr 18, 2025This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California…
- 11019378Apr 12, 2025This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated…
- 11017508Apr 3, 2025This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake…
- 11017443Apr 2, 2025This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
Engine: other model years
Other parts of the 2021 Cadillac XT5
6 complaintsOther or unknown
5 complaintsSteering
4 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
2 complaintsFuel system
2 complaintsEngine cooling
1 complaintsLane departure
1 complaints
← All problems reported for the 2021 Cadillac XT5
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