We don't have a lot of GMC Sierra 2500 electrical problems on file — feel free to add yours here. The most common Sierra 2500 electrical problems cost $700 to fix & occur at 14,000 miles. Click on a year below.

Worst Electrical Problems
electric window failed 2001 GMC Sierra 2500
dash gauges stopped working 2016 GMC Sierra 2500
battery drain after 24 hours 2010 GMC Sierra 2500