Here are GMC Sierra 2500 lights problems, by model year. The most common Sierra 2500 lights problems cost $500 to fix & occur at 9,000 miles. Click on a year below.

Worst Lights Problems
projector headlights are terrible 2015 GMC Sierra 2500
headlights are too dim 2017 GMC Sierra 2500
headlights fail 2014 GMC Sierra 2500