GMC Terrain check engine light reports by year
304 NHTSA complaints describe persistent or recurring check-engine warnings on GMC Terrain vehicles. The most reported year is 2010 with 39 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2023 Terrain | 10 | 28% | |
| 2022 Terrain | 9 | 19% | |
| 2021 Terrain | 5 | 15% | |
| 2020 Terrain | 26 | 14% | |
| 2019 Terrain | 25 | 14% | |
| 2018 Terrain | 25 | 12% | |
| 2017 Terrain | 8 | 6% | |
| 2016 Terrain | 8 | 5% | |
| 2015 Terrain | 23 | 8% | |
| 2014 Terrain | 25 | 8% | |
| 2013 Terrain | 36 | 10% | |
| 2012 Terrain | 35 | 10% | |
| 2011 Terrain | 30 | 8% | |
| 2010 Terrain | 39 | 13% |
Counts come from keyword analysis of complaint narratives — one complaint can describe several symptoms, and classification is approximate. Raw counts favor years that sold in larger numbers.