2018 GMC Terrain air bags problems
14 owner complaints filed with NHTSA name the air bags on the 2018 GMC Terrain — 7% of all complaints for this model year.
What owners report
“My car was t-boned on the driver side and no airbags deployed. The outer door and window exploded with the force. We were also hit from behind”
filed Mar 16, 2026
“My car said to me this not that there is something wrong with the Service Safety Restraint system! It was fine last night when I got home! I just bought this car a month ago and everything was fine and now my air bag light is on and will not go off!”
filed Oct 29, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags…Campaign 18V340000 · May 24, 2018
Air Bags problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2024 Terrain | 2 | 4% |
| 2023 Terrain | 1 | 3% |
| 2022 Terrain | 1 | 2% |
| 2021 Terrain | 1 | 3% |
| 2020 Terrain | 3 | 2% |
| 2019 Terrain | 2 | 1% |
| 2017 Terrain | 12 | 9% |
| 2016 Terrain | 9 | 6% |
| 2015 Terrain | 16 | 5% |
| 2014 Terrain | 11 | 4% |
| 2013 Terrain | 19 | 5% |
| 2012 Terrain | 25 | 7% |
Other reported problem areas on the 2018 GMC Terrain
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.