NHTSA recall 21V496000
Equipment · General Motors, LLC
Details
What's wrong: Affects vehicles equipped with a duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.
Why it matters: An electrical short-circuit can increase the risk of a fire.
The fix: Dealers will replace engine block heaters and heater cords. Vehicles that have this feature disabled as a remedy to the safety condition will be contacted and offered replacement block heaters and heater cords under a separate customer satisfaction program, free of charge. Gm will provide free…
Affected vehicles on MotorDeets
- 2017 Chevrolet Silverado 2500
- 2017 Chevrolet Silverado 3500
- 2017 GMC Sierra 2500
- 2017 GMC Sierra 3500
- 2018 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 3500
- 2018 GMC Sierra 2500
- 2018 GMC Sierra 3500
- 2019 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 3500
- 2019 GMC Sierra 2500
- 2019 GMC Sierra 3500
All model years NHTSA lists
2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2017 Gmc Sierra 2500, 2018 Gmc Sierra 2500, 2019 Gmc Sierra 2500, 2017 Gmc Sierra 3500, 2018 Gmc Sierra 3500, 2019 Gmc Sierra 3500.
Recalls can cover only some VINs. Check yours on NHTSA's official recall page for 21V496000.
Source: NHTSA recall records. Summary shortened; the official notice has the full text.