2024 GMC Sierra 1500 electrical system problems
39 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
“My 2024 GMC Sierra Denali Ultimate 1500 experienced a catastrophic powertrain failure that created a serious safety hazard. On XXX, while driving at highway speeds, the truck unexpectedly shifted into neutral, causing an immediate loss of propulsion. During this event, the electrical system was…”
filed Jun 30, 2026
“My truck has completely shut down/ loss power on several occasions. Happened when I was l slowing down or completely stopped. Everything goes dark. Had to wait several minutes before truck would start.”
filed May 28, 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 | 8 | 12% |
| 2025 Sierra 1500 | 21 | 23% |
| 2023 Sierra 1500 | 55 | 13% |
| 2022 Sierra 1500 | 79 | 15% |
| 2021 Sierra 1500 | 71 | 13% |
| 2020 Sierra 1500 | 77 | 17% |
| 2019 Sierra 1500 | 94 | 15% |
| 2018 Sierra 1500 | 42 | 14% |
| 2017 Sierra 1500 | 54 | 15% |
| 2016 Sierra 1500 | 54 | 16% |
| 2015 Sierra 1500 | 93 | 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.