NHTSA campaign 21V346000
General Motors, LLC recall 21V346000
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.
Reported 05/13/2021
What can happen
Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.
Repair
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.
Components
- Engine and engine cooling: Engine: Engine control module (ecu/ecm): Software
Affected years and models
A listed year and model does not mean every vehicle in that group is recalled. Use the VIN lookup to confirm a specific vehicle.