Chevrolet Silverado 4500, Silverado 2500 +3 more: Engine

Affects Chevrolet Silverado 4500, Silverado 2500, Silverado 3500, Silverado 6500, Duplicate Silverado 5500 · 2017–2019 — about 318K vehicles.

The hazard

A short-circuit may damage the engine components and increase the risk of fire.

What to do

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.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational