GMC 2019 GMC SIERRA 3500 Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2019 GMC SIERRA 3500
Brand
GMC
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2019
General Motors LLC is recalling certain 2019 GMC SIERRA 3500 vehicles due to engine issues. A short-circuit may damage the engine components and increase the risk of fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater. The engine block heater cord or the terminals that connect the heater cord to the block heater may short circuit and fail.
Reported concern (NHTSA)
A short-circuit may damage the engine components and increase the risk of fire.
Recommended Action
Per NHTSA guidance
GM will contact owners, dealers will replace the engine block heater, free of charge. Additionally, in Chevrolet Silverado 2500 and 3500 vehicles, dealers will install a new rerouted heater cord. The recall began December 11, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N182206310.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026