2024 GMC Sierra 1500 electrical system problems
41 owner complaints filed with NHTSA name the electrical system on the 2024 GMC Sierra 1500 — 12% of all complaints for this model year.
What owners report
“While driving on a divided two lane state highway at approximately 60mph my vehicle suffered a catastrophic engine failure causing immediate loss of power in traffic at highway speeds. I had to negotiate highway traffic to steer the vehicle onto a narrow shoulder and continue under reduced power to…”
filed Sep 9, 2026
“My vehicle has experienced repeated and unresolved electrical system failures and unexpected loss of power steering assist. The problem involves multiple warning lights, module communication faults, drivability issues, and simultaneous malfunctions affecting systems including power steering…”
filed Sep 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 12 | 11% |
| 2025 Sierra 1500 | 24 | 21% |
| 2023 Sierra 1500 | 61 | 13% |
| 2022 Sierra 1500 | 82 | 14% |
| 2021 Sierra 1500 | 73 | 13% |
| 2020 Sierra 1500 | 79 | 17% |
| 2019 Sierra 1500 | 94 | 15% |
| 2018 Sierra 1500 | 43 | 14% |
| 2017 Sierra 1500 | 54 | 15% |
| 2016 Sierra 1500 | 54 | 16% |
| 2015 Sierra 1500 | 96 | 13% |
| 2014 Sierra 1500 | 128 | 17% |
Other reported problem areas on the 2024 GMC Sierra 1500
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.