2021 Chevrolet Silverado 1500 engine problems
350 owner complaints filed with NHTSA name the engine on the 2021 Chevrolet Silverado 1500 — 45% of all complaints for this model year.
What owners report
“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
“On or around XXX a my 2021 Silverado started making a rattling sound from the engine. The truck began to stall and the engine shut off three times while driving. I attached scanner the next day and the track showed P00011 and P00016 codes. Those codes are for the Camshaft Sensor and the Crankshaft…”
filed Jul 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Connecting rod and/or crankshaft engine components may have manufacturing defects that…Campaign 25V274000 · Apr 24, 2025
Engine problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 38 | 60% |
| 2025 Silverado 1500 | 40 | 48% |
| 2024 Silverado 1500 | 128 | 46% |
| 2023 Silverado 1500 | 134 | 38% |
| 2022 Silverado 1500 | 221 | 38% |
| 2020 Silverado 1500 | 230 | 33% |
| 2019 Silverado 1500 | 351 | 33% |
| 2018 Silverado 1500 | 99 | 19% |
| 2017 Silverado 1500 | 114 | 16% |
| 2016 Silverado 1500 | 71 | 9% |
| 2015 Silverado 1500 | 129 | 12% |
| 2014 Silverado 1500 | 190 | 13% |
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.