Chevrolet recall: Engine and engine cooling
What is wrong
General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet 6500HD vehicles. The engine control module (ECM) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph.
What could happen
Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.
The fix
Dealers will update the ECM software, free of charge. Owner notification letters were mailed June 7, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202325530.
Vehicles covered
- Chevrolet 6500 2019
- Chevrolet Silverado 6500 2019
Facts
- NHTSA recall number
- 21V346000
- Type
- Vehicle
- Filed by
- General Motors, LLC
- Reported to NHTSA
- May 13, 2021
- Owners notified
- Jun 7, 2021
- Vehicles or items affected
- 196
- Started by
- The manufacturer
- Built
- –
- Part
- Engine and engine cooling › Engine › Engine control module (ECU/ECM) › Software
- Maker's own recall number
- N202325530
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Other recalls for the same vehicles
- Chevrolet recall: Service brakes, hydraulic Nov 6, 2025
- Chevrolet recall: Service brakes, hydraulic Jun 12, 2025
- Chevrolet recall: Air bags Oct 2, 2024
- Chevrolet / Gmc recall: Engine Apr 25, 2019
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.