The defect
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.
The risk
A short-circuit may damage the engine components and increase the risk of fire.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet Silverado 2500 | 2017, 2018, 2019 |
| Chevrolet Silverado 3500 | 2017, 2018, 2019 |
| Chevrolet Silverado 4500 | 2019 |
| Chevrolet Silverado 5500 | 2019 |
| Chevrolet Silverado 6500 | 2019 |
| GMC Sierra 2500 | 2017, 2018, 2019 |
| GMC Sierra 3500 | 2017, 2018, 2019 |
Components: ENGINE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet Silverado 2500 | 2017 | 54 | 5 |
| Chevrolet Silverado 2500 | 2018 | 53 | 5 |
| Chevrolet Silverado 2500 | 2019 | 74 | 7 |
| Chevrolet Silverado 3500 | 2017 | 13 | 6 |
| Chevrolet Silverado 3500 | 2018 | 19 | 6 |
| Chevrolet Silverado 3500 | 2019 | 22 | 7 |
| Chevrolet Silverado 4500 | 2019 | 0 | 3 |
| Chevrolet Silverado 5500 | 2019 | 3 | 3 |
| Chevrolet Silverado 6500 | 2019 | 0 | 4 |
| GMC Sierra 2500 | 2017 | 37 | 6 |
| GMC Sierra 2500 | 2018 | 35 | 5 |
| GMC Sierra 2500 | 2019 | 32 | 7 |
| GMC Sierra 3500 | 2017 | 13 | 7 |
| GMC Sierra 3500 | 2018 | 14 | 6 |
| GMC Sierra 3500 | 2019 | 13 | 7 |
Other engine recalls in 2019
21 of the 880 recall campaigns reported to NHTSA in 2019 concerned the engine; General Motors LLC filed 272 campaigns in all.
| 19V841000 21 Nov 2019 | Navistar, Inc. |
| 19V732000 15 Oct 2019 | BMW of North America, LLC |
| 19V697000 2 Oct 2019 | BMW of North America, LLC |
| 19V675000 20 Sept 2019 | Ducati North America |
| 19V642000 6 Sept 2019 | General Motors LLC |
| 19V613000 21 Aug 2019 | McLaren Automotive Incorporated |
| 19V597000 14 Aug 2019 | Mitsubishi Fuso Truck of America, Inc. |
| 19V565000 31 Jul 2019 | Prevost Cars, Inc. |
NHTSA recalls (public domain) · all recalls of 2019