GMC Sierra 3500 electrical system problems by year
58 NHTSA owner complaints name the electrical system across 14 Sierra 3500 model years. The most reported year is 2024 with 12 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2024 Sierra 3500 | 12 | 28% | — | |
| 2023 Sierra 3500 | 4 | 14% | — | |
| 2022 Sierra 3500 | 7 | 24% | — | |
| 2021 Sierra 3500 | 4 | 20% | — | |
| 2020 Sierra 3500 | 9 | 18% | — | |
| 2016 Sierra 3500 | 2 | 11% | — | |
| 2015 Sierra 3500 | 6 | 20% | — | |
| 2011 Sierra 3500 | 2 | 10% | — | |
| 2008 Sierra 3500 | 1 | 4% | — | |
| 2005 Sierra 3500 | 3 | 13% | — | |
| 2004 Sierra 3500 | 5 | 21% | — | |
| 2001 Sierra 3500 | 1 | 3% | — | |
| 2000 Sierra 3500 | 1 | 4% | — | |
| 1999 Sierra 3500 | 1 | 5% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.