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🔥 Fire riskNHTSA 21V496📅 Jul 1, 2021

2017–2019 Chevrolet Silverado 2500 & 2017–2019 Chevrolet Silverado 3500 + 2 more recall: equipment

⚠️ What's wrong

General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 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.

💥 The risk

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 replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge. Interim owner notifications were mailed on August 13, 2021. Owner notification letters are expected to be mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
NHTSA campaign
21V496000
Manufacturer recall #
N212329840
Manufacturer
General Motors, LLC
Vehicles affected
338,020
Component
EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
Owner phone
1-800-462-8782
NHTSA hotline
1-888-327-4236
Owner letters mailed
Apr 4, 2022
Recall started by
MFR
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.nhtsa.gov.

Vehicles in this recall

Is your car affected? Recalls apply to specific VINs. Check my VIN

FAQ

Is the 21V496 recall repair free?

Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)

Which vehicles are included in recall 21V496?

2017–2019 Chevrolet Silverado 2500 & 2017–2019 Chevrolet Silverado 3500 + 2 more. 338,020 vehicles may be affected. Check your exact car with its 17-character VIN.

What should I do?

Check your VIN, then call any authorized Chevrolet dealer to book the free repair or call the manufacturer at 1-800-462-8782.