Electrical System Related Problems of the 2008 GMC Sierra 1500

Table 1 shows four common electrical system related problems of the 2008 GMC Sierra 1500. The number one most common problem is related to the electrical system (25 problems). The second most common problem is related to the power door locks not working (two problems).

Table 1. Electrical System related problems of GMC Sierra 1500


Recently reported Electrical System problems of the 2008 GMC Sierra 1500

The Electrical System problem

The contact owns a 2008 GMC Sierra 1500. The contact stated that there had been a burning odor emitting from within the cabin of the vehicle. Then suddenly the heating system failed without warning. The contact took the vehicle to a certified mechanic who stated that the heater wires that had a   Read details...

The Power Door Locks Not Working problem

My 2008 GMC sierra has had the electric door locks fail on three of the four doors. The first occurred after about 36,000 miles and the most recent occurred today at about 64,700 mles. The first repair cost over $300.   Read details...

The Instrument Panel problem

The contact owns a 2008 GMC Sierra 1500. The contact stated that the odometer display was dim and extremely difficult to see. The contact adjusted the dimmer switch, did not improve the visibility for all of the other instrument panel indicators except the odometer reading.   Read details...


Electrical System related problems in other GMC Sierra 1500 model year vehicles:



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations