GMC Sierra 2500 check engine light reports by year
26 NHTSA complaints describe persistent or recurring check-engine warnings on GMC Sierra 2500 vehicles. The most reported year is 2024 with 12 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2024 Sierra 2500 | 12 | 12% | |
| 2023 Sierra 2500 | 8 | 27% | |
| 2020 Sierra 2500 | 6 | 8% |
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.