NHTSA Campaign 21V346000

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

Issued by General Motors, LLC · Reported May 13, 2021 · 196 vehicles affected

What's 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.

Consequence

Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.

Remedy

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 affected by this recall

Make Model Year Units
CHEVROLET 6500 2019 196
CHEVROLET SILVERADO 6500 2019 196

Source: NHTSA Campaign 21V346000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.