GMC Sierra 2500 electrical system problems by year
283 NHTSA owner complaints name the electrical system across 25 Sierra 2500 model years. The most reported year is 2004 with 48 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2024 Sierra 2500 | 31 | 32% | — | |
| 2023 Sierra 2500 | 5 | 17% | — | |
| 2022 Sierra 2500 | 12 | 29% | — | |
| 2021 Sierra 2500 | 6 | 12% | — | |
| 2020 Sierra 2500 | 12 | 16% | — | |
| 2019 Sierra 2500 | 9 | 28% | — | |
| 2018 Sierra 2500 | 7 | 20% | — | |
| 2017 Sierra 2500 | 6 | 16% | — | |
| 2016 Sierra 2500 | 9 | 15% | — | |
| 2015 Sierra 2500 | 11 | 12% | — | |
| 2014 Sierra 2500 | 4 | 13% | — | |
| 2013 Sierra 2500 | 3 | 7% | — | |
| 2012 Sierra 2500 | 4 | 13% | — | |
| 2011 Sierra 2500 | 9 | 14% | — | |
| 2009 Sierra 2500 | 7 | 23% | — | |
| 2008 Sierra 2500 | 3 | 5% | — | |
| 2007 Sierra 2500 | 5 | 6% | — | |
| 2006 Sierra 2500 | 4 | 6% | — | |
| 2005 Sierra 2500 | 42 | 37% | 71,000 mi | |
| 2004 Sierra 2500 | 48 | 34% | 56,000 mi | |
| 2003 Sierra 2500 | 36 | 23% | 96,000 mi | |
| 2002 Sierra 2500 | 1 | 1% | — | |
| 2001 Sierra 2500 | 4 | 3% | — | |
| 2000 Sierra 2500 | 3 | 6% | — | |
| 1999 Sierra 2500 | 2 | 6% | — |
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.