2023 GMC Terrain Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 41 total for the year
- Median mileage
- 41,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the engine cooling of the 2023 GMC Terrain, 2% of the 41 complaints for this model year. Where a mileage was given, the median is 41,000 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 2023 GMC Terrain. The contact stated while driving 15 MPH, the message Engine Power Reduced” was displayed on the instrument panel. The contact stated that the vehicle the lost motive power in the middle of the roadway. The check engine warning light was illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the high-pressure fuel pump, causing fuel to leak into the oil, resulting in damages to the catalytic converter and Oxygen sensor. The vehicle was not repaired. …”
NHTSA complaint #11669569, filed 2025-06, 41,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 2% |
| 2022 | 2 | 3% |
| 2021 | 2 | 6% |
| 2020 | 3 | 2% |
| 2018 | 1 | 0% |
| 2017 | 2 | 1% |
| 2015 | 4 | 1% |
| 2014 | 7 | 2% |
| 2013 | 11 | 3% |
| 2012 | 5 | 1% |
| 2011 | 22 | 6% |
| 2010 | 10 | 3% |
Other parts of the 2023 GMC Terrain
22 complaintsEngine
15 complaintsTransmission and drivetrain
8 complaintsElectrical system
7 complaintsOther or unknown
7 complaintsLane departure
4 complaintsAir bags
2 complaintsForward collision avoidance
2 complaintsVehicle speed control
2 complaintsBack-over prevention (rear camera)
1 complaintsSeat belts
1 complaintsSteering
1 complaints
← All problems reported for the 2023 GMC Terrain
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