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Recall campaign21V346000

Recall 21V346000: 2019 Chevrolet Silverado 6500 and 1 other model

Engine and engine cooling › Engine › Engine control module (ecu/ecm) › Software
Report received
May 13, 2021
Manufacturer
General Motors, LLC
Potentially affected
196vehicles
Model years
2019

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible 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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.