GMC Sierra 1500 electrical failures reports by year
16 NHTSA complaints describe shorts, wiring-harness and electrical faults on GMC Sierra 1500 vehicles. The most reported year is 2006 with 9 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2023 Sierra 1500 | 7 | 1% | |
| 2006 Sierra 1500 | 9 | 6% |
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.