2026 GMC Terrain Vehicle speed control Problems
- Complaints
- 1about this part
- Share
- 3%of 33 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 1 complaints about the vehicle speed control of the 2026 GMC Terrain, 3% of the 33 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.
“a failing telematics module on your 2026 GMC Terrain is causing network corruption, leading to an erratic speedometer and loss of driver assistance systems while driving.”
NHTSA complaint #11765984, filed 2026-09Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 3% |
| 2025 | 1 | 8% |
| 2024 | 3 | 6% |
| 2023 | 2 | 5% |
| 2022 | 1 | 2% |
| 2021 | 1 | 3% |
| 2020 | 11 | 6% |
| 2019 | 9 | 5% |
| 2018 | 8 | 4% |
| 2017 | 2 | 1% |
| 2016 | 4 | 3% |
| 2015 | 3 | 1% |
| 2014 | 3 | 1% |
| 2013 | 5 | 1% |
| 2012 | 11 | 3% |
| 2011 | 18 | 5% |
| 2010 | 17 | 6% |
Other parts of the 2026 GMC Terrain
9 complaintsForward collision avoidance
6 complaintsElectrical system
5 complaintsSuspension
5 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsWheels
4 complaintsSteering
3 complaintsLane departure
2 complaintsBody and structure
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine
1 complaints
← All problems reported for the 2026 GMC Terrain
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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