Chevrolet Trailblazer check engine light reports by year
325 NHTSA complaints describe persistent or recurring check-engine warnings on Chevrolet Trailblazer vehicles. The most reported year is 2006 with 110 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2023 Trailblazer | 6 | 10% | |
| 2022 Trailblazer | 7 | 7% | |
| 2021 Trailblazer | 19 | 10% | |
| 2008 Trailblazer | 6 | 3% | |
| 2007 Trailblazer | 45 | 6% | |
| 2006 Trailblazer | 110 | 10% | |
| 2005 Trailblazer | 35 | 2% | |
| 2004 Trailblazer | 48 | 4% | |
| 2003 Trailblazer | 34 | 4% | |
| 2002 Trailblazer | 15 | 1% |
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.