2023 GMC Terrain Other or unknown Problems
- Complaints
- 7about this part
- Share
- 17%of 41 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 7 complaints about the other or unknown of the 2023 GMC Terrain, 17% of the 41 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.
“I have had 2 different instances where my vehicle stops in the middle of a busy intersection or traffic and have no warning what so ever. Vehicle just shuts off and I am not able to turn back on to move out of the way. First time I got it repaired it was related to the fuel pump and now I am waiting to hear back from my mechanic to see what the issue is but so far it is an indication of the fuel pump as well. …”
NHTSA complaint #11741516, filed 2026-06“The problem with this car that continues is that when driving over 65 miles per hour/ more or less, the driver side door rattles and shakes. It rattle and it looks like if the door wants to detach. It only happens on the driver side, not the passenger side. I put my arm on the arm rest, and my arm shakes and that is not ok. I am concern and want to know what can be done about it. I do not feel comfortable driving when this happens and its a new car, it should not have this problem. …”
NHTSA complaint #11548431, filed 2023-10“Took dealer 3/26 for Sam issue Engine Power reduced after already cause me hit curb. Got it out 4/1/26 Now 4/5/26 it happened again same codes after they claimed they fixed it. Also keep having Emergency services come on a caused my dashboard out. My issues is car keeps stalling losing power. Same codes as week ago after dealer fix. Also 4 time took for noises in my car from passenger side. They keep telling me they can’t replicate it, but you can clearly see where the door is not lined up. This has been going on for over 30,000 miles for that. …”
NHTSA complaint #11729391, filed 2026-04“Car reduced speed and the smell of gas filled the car. Car shut off. Check engine light came on with reduced speed. This is the second time this has happened. Gas leaked onto ground from car. Car stalls immediately while driving and does not allow you to press the gas to keep moving. Almost hit from behind on Main Street.”
NHTSA complaint #11736700, filed 2026-05“Vehicle stalled while driving and would not restart. Strong gasoline smell present and on ground. Third occurrence. Vehicle stalled while driving at on busy road (safety issue both times). Strong raw gas smell. Would not crank afterward. Dash powered normally with check engine light. Happened previously around 27k miles in September 2025. Occurred again May 9, 2026. Occurred again today l, May 18, 2026. Vehicles is being towed to dealership again for the 3rd time”
NHTSA complaint #11738493, filed 2026-05Related service bulletins
- 11038592Oct 16, 2026PI created to guide technicians through radio restriction process
- 11038136Sep 28, 2026This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to…
- 11038132Sep 28, 2026This Preliminary information communicates to dealers a procedure to reset the radio.
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11036392Aug 20, 2026This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11034769Jun 23, 2026This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
- 11034762Jun 23, 2026This Preliminary information communicates the potential for MIL illuminated with oil pressure related DTC concerns on LSD engines.
- 11033150May 27, 2026This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 9 | 27% |
| 2025 | 2 | 15% |
| 2024 | 13 | 24% |
| 2023 | 7 | 17% |
| 2022 | 9 | 15% |
| 2021 | 4 | 11% |
| 2020 | 36 | 18% |
| 2019 | 21 | 11% |
| 2018 | 36 | 16% |
| 2017 | 20 | 15% |
| 2016 | 13 | 9% |
| 2015 | 21 | 7% |
| 2014 | 16 | 5% |
| 2013 | 27 | 7% |
| 2012 | 37 | 10% |
| 2011 | 34 | 9% |
| 2010 | 18 | 6% |
Other parts of the 2023 GMC Terrain
22 complaintsEngine
15 complaintsTransmission and drivetrain
8 complaintsElectrical system
7 complaintsLane departure
4 complaintsAir bags
2 complaintsForward collision avoidance
2 complaintsVehicle speed control
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine cooling
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 29, 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