Exterior Lighting Related Problems of the 2008 GMC Sierra 1500

Table 1 shows two common exterior lighting related problems of the 2008 GMC Sierra 1500.

Table 1. Exterior Lighting related problems of GMC Sierra 1500

Problem Category Number of Problems
Headlights problems
1
Tail Light Switch problems
1

Headlights problem #1

Headlights dim when the brakes are applied, when the truck shifts from 1st to second gear and when the blinkers are used at interstate speeds. Contacted gm and have been told this is normal in all vehicles. Also have had 3 door lock actuators and 1 window motor replaced. Had to have the front steering/rack and pinion replaced. Currently having problem with front door not opening.

Tail Light Switch problem #2

The contact owns a 2008 general motor company Sierra 1500. The contact was driving in reverse 2 mph out of the drive way when smoked emitted from the rear of the vehicle. The contact stopped the vehicle and confirmed that the drivers side rear tail light marker assembly was on fire. The vehicle was taken to the dealer and a private mechanic. The private mechanic confirmed that there was a defective marker tail light assembly. The manufacturer was notified of the failure. The vehicle was not repaired. The failure and current mileage was 120,000.


Exterior Lighting related problems in other GMC Sierra 1500 model year vehicles:



Safety Ratings of Sierra 1500 Cars
Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations