2021 Chevrolet Silverado 2500 power train problems
28 owner complaints filed with NHTSA name the power train on the 2021 Chevrolet Silverado 2500 — 33% of all complaints for this model year.
What owners report
“My 10L1000 transmission had a catastrophic failure internally which caused it to rough shift, sudden down shifting, not want to shift into gear at all, and high engine rpm prior to roughly shifting. I took it to the Chevy dealers mechanic the very next business day, only to find out that from the…”
filed Jul 22, 2026
“Operator of this vehicle was commuting and truck started to slow down and chug. Vehicle hesitated when operator applied gas pedal. -Transmission cooler inlet/outlet pipe as per Chevrolet known issues. -Safety of driver at risk as failure happened in heavy traffic, unable to pull to safety -Yes…”
filed Mar 19, 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 24V797000 · Oct 24, 2024
Power Train problems in other Silverado 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 2500 | 6 | 27% |
| 2024 Silverado 2500 | 36 | 26% |
| 2023 Silverado 2500 | 17 | 39% |
| 2022 Silverado 2500 | 18 | 20% |
| 2020 Silverado 2500 | 29 | 29% |
| 2019 Silverado 2500 | 9 | 12% |
| 2018 Silverado 2500 | 6 | 12% |
| 2017 Silverado 2500 | 9 | 17% |
| 2016 Silverado 2500 | 18 | 15% |
| 2015 Silverado 2500 | 20 | 11% |
| 2014 Silverado 2500 | 5 | 13% |
| 2013 Silverado 2500 | 4 | 8% |
Other reported problem areas on the 2021 Chevrolet Silverado 2500
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.