2021 Chevrolet Silverado 1500 power train problems
225 owner complaints filed with NHTSA name the power train on the 2021 Chevrolet Silverado 1500 — 29% of all complaints for this model year.
What owners report
“The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that there was an abnormal sound coming from the vehicle and the vehicle…”
filed Aug 4, 2026
“2021 Chevy Silverado 5.3 trail boss lifters has failed on this driver two times while driving on highway engine lost power with my family in the vehicle. Dealer warranty fixed lifter the first time lifter went out at 1100 miles. The vehicle has failed again with multiple lifters going out and…”
filed Aug 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Transmission control valve may fail and cause the rear wheels to lock upCampaign 26V083000 · Feb 12, 2026
- Transmission control valve may fail and cause the rear wheels to lock-upCampaign 24V797000 · Oct 24, 2024
Power Train problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 9 | 14% |
| 2025 Silverado 1500 | 19 | 23% |
| 2024 Silverado 1500 | 86 | 31% |
| 2023 Silverado 1500 | 99 | 28% |
| 2022 Silverado 1500 | 165 | 28% |
| 2020 Silverado 1500 | 213 | 31% |
| 2019 Silverado 1500 | 312 | 30% |
| 2018 Silverado 1500 | 169 | 33% |
| 2017 Silverado 1500 | 191 | 27% |
| 2016 Silverado 1500 | 190 | 24% |
| 2015 Silverado 1500 | 134 | 12% |
| 2014 Silverado 1500 | 154 | 11% |
Other reported problem areas on the 2021 Chevrolet Silverado 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.