GMC Sierra, Sierra HD: Electrical

Affects GMC Sierra, Sierra HD · 2014–2019 — about 159K vehicles.

The hazard

Issue: On certain trucks equipped with a power sliding rear window, the rear defroster circuit could overheat. This could cause melting, smoke or, in rare instances, a fire. Safety Risk: A fire could create a risk of injury. Corrective Actions: The company will notify owners by mail and advise you to take your truck to a dealer to replace the covers for the buss bar and contacts for the rear sliding window. If the rear window or sliding glass assembly are damaged due to a problem with the rear defroster, they will also be replaced.

What to do

Contact your dealer; the remedy details were not included in the filing.

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