2017 GMC Sierra 1500 power train problems
117 owner complaints filed with NHTSA name the power train on the 2017 GMC Sierra 1500 — 33% of all complaints for this model year.
What owners report
“The catastrophic power failure with no warning on my 2017 GMC Sierra, at 87450 miles completely contaminated the engine oil cooling lines with metallic debris and fractured structural mounts. The servicing dealership replaced the transmission but is refusing to remediate the engine line…”
filed Sep 11, 2026
“check engine light and traction control light on. vehicle undriveable. took to dealer code P0304 lifters need to be replaced”
filed Feb 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 25 | 23% |
| 2025 Sierra 1500 | 24 | 21% |
| 2024 Sierra 1500 | 68 | 19% |
| 2023 Sierra 1500 | 91 | 19% |
| 2022 Sierra 1500 | 108 | 19% |
| 2021 Sierra 1500 | 134 | 24% |
| 2020 Sierra 1500 | 96 | 21% |
| 2019 Sierra 1500 | 136 | 21% |
| 2018 Sierra 1500 | 128 | 43% |
| 2016 Sierra 1500 | 83 | 24% |
| 2015 Sierra 1500 | 97 | 14% |
| 2014 Sierra 1500 | 69 | 9% |
Other reported problem areas on the 2017 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.