Electrical System Related Problems of the 2015 GMC Sierra

Table 1 shows three common electrical system related problems of the 2015 GMC Sierra. The number one most common problem is related to the electrical system (three problems). The second most common problem is related to the wiring (one problem).

Table 1. Electrical System related problems of GMC Sierra


Recently reported Electrical System problems of the 2015 GMC Sierra

The Electrical System problem

The contact owns a 2015 GMC Sierra. The contact stated that when doing the initial start the rear of the vehicle began smoking and caught on fire. The contact turned off the vehicle and the fire settled however shortly after the rear window fractured.   Read details...

The Wiring problem

Vehicle started showing "service lane departure system, service park assist, service trailer brake system" alarms while driving. Upon taking it to the dealer for service it was found to have broken wiring for haptic motor for drivers seat.   Read details...

The Wiring Fuses And Circuit Breakers problem

The contact owns a 2015 GMC Sierra. The contact stated that the vehicle failed to start. The vehicle was towed to the dealer when the contact was informed that the fuse box caught on fire. There were no occupants at the time of the failure. No injuries were sustained.   Read details...


Electrical System related problems in other GMC Sierra model year vehicles:



Fuel Economy of Sierra Vehicles
Sierra Service Bulletins
Sierra Safety Recalls
Sierra Defect Investigations