GM recalls Chevy Silverados and GMC Sierras

Photo source: Chevrolet

A short circuit may occur in the engine block heater cable

General Motors is recalling 331,274 model year 2017-2019 Chevrolet Silverado 2500s & 3500s, and2model year 2017-2019 GMC Sierra 2500s & 3500s. The vehicles are 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.

A short-circuit can increase the risk of a fire.

What to do

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 included in an earlier recall, 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 (800) 222-1020; and GMC customer service at (800) 462-8782. GM's number for this recall is 212329840.

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