Electrical System Related Problems of the 2019 GMC Sierra 1500

Table 1 shows six common electrical system related problems of the 2019 GMC Sierra 1500. The number one most common problem is related to the electrical system (82 problems). The second most common problem is related to the software (two problems).

Table 1. Electrical System related problems of GMC Sierra 1500


Recently reported Electrical System problems of the 2019 GMC Sierra 1500

The Electrical System problem

The park assist would go on when I was at a stop light and no one was in front of me and auto stop was off all the time. Two ground straps were corroded. There is a recall on them from 2019 to 2024. My truck did not have a recall on it.   Read details...

The Software problem

When I tried to drive my truck I received the below error messages and lights on my dash board: steering assist reduced drive with care service trailer brake service esc brake system failure - 62 mph top speed abs check engine brake traction control I dropped the truck off at the GMC   Read details...

The Wiring problem

My 2019 2500hd (49,00 miles) truck had water leaking in through the roof. The dealership found that the leak was caused by a bad factory tack weld on the passenger side roof seam. Due to this bad tack welkd, it caused water to leak down the a-piller, down into my electrical fuse box and wiring.   Read details...


Electrical System related problems in other GMC Sierra 1500 model year vehicles:



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations