Exterior Lighting Problems of GMC Sierra

GMC Sierra owners have reported 167 exterior lighting related problems since 1996. Table 1 shows the 17 most common exterior lighting problems. The number one most common problem is related to the vehicle's headlights (94 problems). The second most common problem is related to the vehicle's exterior lighting (26 problems). For details of each of the problem category, use the links in the table.


Recently reported Exterior Lighting problems of GMC Sierra

The Headlights problem

Hid headlights flicker/shake when driving over any size bump, or when you close the vehicle door.   Read details...

The Exterior Lighting problem

On screen display for backup camera. When putting the vehicle in reverse, the on screen display is so bright that you can't see out the windows, the rearview mirrors or the surrounding area. This display does not dim with the rest of the lights.   Read details...

The Turn Signal problem

I recently purchased a GMC Sierra crew cab pickup . When it rains, the right front headlight fogs up creating a hazard as on coming traffic cannot see my turn signal. The left light does not fog up. Now, the law of physics tells me there is a leak in the headlight and naturally the moisture will   Read details...

The Fog Light Switch problem

I purchased this vehicle new August 2015. The headlight projection and illumination on this vehicle is extremely poor especially during wet roads or raining conditions. I have to use the fog lights at all times and still do not have adequate lighting.   Read details...

The Tail Light problem

The contact owns a 2016 GMC Sierra denali. The contact stated while driving 10 mph, the rear windshield exploded without impact. The contact stated that the rear fogger had activated independently. There were no injuries sustained. There was water located in the third taillight.   Read details...




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