GMC Sierra Denali check engine light reports by year
5 NHTSA complaints describe persistent or recurring check-engine warnings on GMC Sierra Denali vehicles. The most reported year is 2019 with 5 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2019 Sierra Denali | 5 | 19% |
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.