General Motors Recalls More than 740,000 Pickup Trucks

Two truck recalls impacted more than 740,000 trucks including certain 2015-2016 model-year GMC Sierra and Chevrolet Silverado trucks as well as 2017-2019 models equipped with the 6.6L Duramax engine and optional heater-block cable.

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July 12, 2021

General Motors Recalls More than 740,000 Pickup Trucks — The 2018-MY Chevrolet Silverado 2500 with a Duramax diesel 6.6L engine and an optional engine-block heater cord is among the pickup trucks being recalled.
Photo: General Motors

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General Motors, LLC (GM) is recalling approximately 331,274 model-year 2017-2019 Chevrolet Silverado 2500, 3500, and 2017-2019 GMC Sierra 2500 and 3500 trucks equipped with a Duramax diesel 6.6L engine and an optional engine-block heater cord.

The automaker is also recalling approximately 410,019 model-year 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

Duramax Recall: Short Circuit in Engine Block Heater

For the model-year 2017-2019 Chevrolet Silverado 2500, 3500, and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6L 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.

Dealers will disable the block heater, 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.

Owner notification letters are expected to be mailed August 16, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; and GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

GM Truck Recall: Roof Rail Air Bag Inflator May Rupture

On some 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

Dealers will replace the left and right side RRAB modules, free of charge. Interim owner notification letters informing owners of the safety risk are expected to be mailed August 16, 2021. Owners will receive a second notice when the remedy is available. Owners may contact GMC customer service at (888) 988-7267 or Chevrolet customer service at (800) 222-1020.

This recall supersedes NHTSA recall number 20V-736. GM's number for this recall is N202324251.

NHTSA Recall Info

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at (888) 327-4236 or www.nhtsa.gov.

Topics:Safety & Compliance Pickup Trucks Recalls Vehicle Research Safety

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