2017 Chevrolet Silverado 2500 | 2017 Gmc Sierra 3500 | 2018 Gmc Sierra 3500 | 2017 Gmc Sierra 2500 | 2018 Gmc Sierra 2500 | 2017 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 2500 | 2019 Chevrolet Silverado 2500 | 2019 Gmc Sierra 3500 | 2019 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 3500 | 2019 Gmc Sierra 2500 — Equipment: electrical: engine block heater
Published July 1, 2021 · Recall initiated: July 1, 2021
Summary
NHTSA records recall 21V496000, published July 1, 2021. Recalling firm: General Motors, LLC; 2017 Chevrolet Silverado 2500 | 2017 Gmc Sierra 3500 | 2018 Gmc Sierra 3500 | 2017 Gmc Sierra 2500 | 2018 Gmc Sierra 2500 | 2017 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 2500 | 2019 Chevrolet Silverado 2500 | 2019 Gmc Sierra 3500 | 2019 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 3500 | 2019 Gmc Sierra 2500 — Equipment: electrical: engine block heater.
What's the hazard
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.
What to do
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.
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Recall details
- Brand
- CHEVROLET
- Model
- SILVERADO 2500
- Manufacturer
- General Motors, LLC
- Lot
- 2017 CHEVROLET SILVERADO 2500 | 2017 GMC SIERRA 3500 | 2018 GMC SIERRA 3500 | 2017 GMC SIERRA 2500 | 2018 GMC SIERRA 2500 | 2017 CHEVROLET SILVERADO 3500 | 2018 CHEVROLET SILVERADO 2500 | 2019 CHEVROLET SILVERADO 2500 | 2019 GMC SIERRA 3500 | 2019 CHEVROLET SILVERADO 3500 | 2018 CHEVROLET SILVERADO 3500 | 2019 GMC SIERRA 2500
- Risk classification
- V
- Country
- US
Related recalls
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- NHTSA2023 Chevrolet Malibu | 2025 Chevrolet Malibu | 2024 Chevrolet Malibu — Back over prevention: sensing system:April 2, 2026
- NHTSA2021 Chevrolet Silverado 1500 — Air bags: frontalJuly 1, 2021
- NHTSA2021 Gmc Canyon — Equipment: other: labelsJuly 1, 2021
Questions about this recall
Was 2017 Chevrolet Silverado 2500 | 2017 Gmc Sierra 3500 | 2018 Gmc Sierra 3500 | 2017 Gmc Sierra 2500 | 2018 Gmc Sierra 2500 | 2017 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 2500 | 2019 Chevrolet Silverado 2500 | 2019 Gmc Sierra 3500 | 2019 Chevrolet Silverado 3500 | 2018 Chevrolet Silverado 3500 | 2019 Gmc Sierra 2500 — Equipment: electrical: engine block heater recalled?
Yes. NHTSA published recall 21V496000 on July 1, 2021. Reported hazard: 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.
What should I do if I have this product?
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.
How do I know if my unit is part of the recall?
Compare your product details with the notice. Brand: CHEVROLET. Model: SILVERADO 2500.