Electrical System Related Problems of the 2024 GMC Sierra 2500

Table 1 shows four common electrical system related problems of the 2024 GMC Sierra 2500. The number one most common problem is related to the electrical system (25 problems). The second most common problem is related to the integrated trailer brake control (three problems).

Table 1. Electrical System related problems of GMC Sierra 2500


Recently reported Electrical System problems of the 2024 GMC Sierra 2500

The Electrical System problem

Iok radio module failure. Inhibits hands free calling, total loss of all audio including safety chimes, dropped emergency call capability, multiple software updates have failed to resolve it. Vehicle is still under warranty.   Read details...

The Integrated Trailer Brake Control problem

The contact owns a 2024 GMC Sierra 2500. The contact stated while towing a trailer and driving down a hill approximately 40 mph, the integrated trailer braking system error message displayed, and trailer braking system failed to activate.   Read details...

The 12v/24v/48v Battery problem

The contact owns a 2024 GMC Sierra 2500. The contact received notification of NHTSA campaign number: 24v894000 (latches/locks/linkages); and the vehicle was taken to a local dealer where the recall repair was performed; however, the contact became aware that the battery was draining, and the   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