Sudden Low Beam Headlight Failure
The 1st generation Envoy and Envoy XL have low beam headlights can suddenly shut off even though the lights themselves are perfectly fine. The issue is a a defective headlamp driver module which is responsible for distributing power to the …
The Sierra Has Terrible Headlights
For such a big, rugged truck, the GMC Sierra has some of the worst headlights on the road. But why?…
Where Lights Complaints Happen
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
- 2014 Sierra 1500 terrible headlights, poor visibility 106 (100%)
- 2015 Sierra 1500 poor lighting pattern 53 (50%)
- 2015 Yukon taillight not working properly 41 (39%)
- 2015 Sierra 2500 projector headlights are terrible 16 (15%)
- 2016 Yukon taillight not working 6 (6%)
- 2011 Sierra 1500 headlights burn out prematurely 6 (6%)
- 2007 Envoy headlights going off by themselves 5 (5%)
A lawsuit regarding the GMC Sierra’s “inadequate” headlights is still burning bright in a California court.
The plaintiffs allege GM made changes in the bulbs, assemblies and operation of the headlights … GM allegedly changed to projector-style headlights with single bulbs, smaller reflectors, two lenses each and shutters to switch between high and low beams that work from a single voltage source.
Look – if you saw one of these trucks driving in the oncoming lane at night, I wouldn’t blame you if you confused it for a pair of mopeds with weak batteries. It’s that bad.keep reading
GM isn't arguing against claims that the 2014-2015 GMC Sierra has some terrible headlights
, just that the lawsuits against them don't prove it.
GM argues truck owners don't allege the lights malfunction in any way, so the case should be dismissed because other lawsuits have been dismissed because of similar claims.
The plaintiffs are worried ineffective lights will lead to more nighttime crashes, but GM says they have no data to back it up. If the automaker actually needs data for that, then I'm not sure which is dimmer --- the headlights or GM itself.keep reading