2024 GMC Sierra 2500 electrical system problems
32 owner complaints filed with NHTSA name the electrical system on the 2024 GMC Sierra 2500 — 31% of all complaints for this model year.
What owners report
“driving down the road going to and intersection the dash says I received a Service ESC message followed by a Reduced Acceleration warning on the center display. I also had the forward collision, traction control and check engine lights come on. I also noticed the shudder/jerk. The truck is giving a…”
filed Sep 16, 2026
“Intermittent trailer disconnect and loss of electric trailer brake output while towing Airstream. The truck is connected to the trailer through the seven Way plug. There are no modifications to the truck. This is a safety hazard as I pull a 9000+ lb trailer. Trailer connection drops momentarily and…”
filed May 12, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sierra 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 2500 | 1 | 4% |
| 2023 Sierra 2500 | 5 | 16% |
| 2022 Sierra 2500 | 12 | 28% |
| 2021 Sierra 2500 | 6 | 12% |
| 2020 Sierra 2500 | 13 | 18% |
| 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% |
Other reported problem areas on the 2024 GMC Sierra 2500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.