2021 Chevrolet Silverado 1500 vehicle speed control problems
10 owner complaints filed with NHTSA name the vehicle speed control on the 2021 Chevrolet Silverado 1500 — 1% of all complaints for this model year.
What owners report
“On 4/27/26, my family and I were traveling south on Colorado C470 at 8 AM. Our 2021 Chevy Silverado 1500 had catastrophic engine failure at highway speed as we were passing an 18 wheeler. The failure caused the vehicle to lose power and engine, and the display said to put the truck in Neutral and…”
filed May 5, 2026
“Good morning, While driving and starting my Chevy Silverado 1500 with 3.0 durmax it will suddenly go into a “limp mode” reducing speed and power. Recently while driving on a highway it reduced engine power causing the vehicle to slow down suddenly with many cars speeding by. This caused me to try…”
filed Feb 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 1500 | 3 | 4% |
| 2024 Silverado 1500 | 11 | 4% |
| 2023 Silverado 1500 | 18 | 5% |
| 2022 Silverado 1500 | 10 | 2% |
| 2020 Silverado 1500 | 25 | 4% |
| 2019 Silverado 1500 | 18 | 2% |
| 2018 Silverado 1500 | 18 | 4% |
| 2017 Silverado 1500 | 18 | 3% |
| 2016 Silverado 1500 | 11 | 1% |
| 2015 Silverado 1500 | 16 | 1% |
| 2014 Silverado 1500 | 22 | 2% |
| 2013 Silverado 1500 | 5 | 2% |
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.