Electrical System Related Problems of the 2016 GMC Sierra 2500

Table 1 shows three common electrical system related problems of the 2016 GMC Sierra 2500. The number one most common problem is related to the electrical system (eight problems). The second most common problem is related to the horn (one problem).

Table 1. Electrical System related problems of GMC Sierra 2500

Problem Category Number of Problems
Electrical System problems
8
Horn problems
1
Wiring problems
1

Recently reported Electrical System problems of the 2016 GMC Sierra 2500

The Electrical System problem

My hmi was "bricked" when onstar pushed an incompatible update when I changed the service plan. While driving the screen has intermittently turned off and on causing temporary unexpected loss of navigation functions, bluetooth connectivity, and use of the back up camera.   Read details...

The Horn problem

The contact owns a 2016 GMC Sierra 2500. The contact stated that the horn was inoperable. The contact became aware of the failure when the horn failed to sound while locking the vehicle with the key fob.   Read details...

The Wiring problem

My vehicle shut down and I had the abs light stability control light and the airbag light as well as more that came on. The truck was picked up from the dealer after they said it was a wiring issue and was. It covered under warranty.   Read details...


Electrical System related problems in other GMC Sierra 2500 model year vehicles:



Sierra 2500 Service Bulletins
Sierra 2500 Safety Recalls
Sierra 2500 Defect Investigations