GMC · Canada · Crit
GMC Sierra: Engine
Affects GMC Sierra · 2014 — about 39K vehicles.
The hazard
On certain 1500 series vehicles equipped with 4.3L and 5.3L engines, exhaust components may overheat while the vehicle is idling in cold temperatures. This could cause nearby plastic components to overheat and melt, possibly resulting in smoke and/or fire and increasing the risk of injury and/or damage to property. Correction: Dealers will reprogram the engine control module.
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