Electrical System Related Problems of the 2019 GMC Acadia

Table 1 shows three common electrical system related problems of the 2019 GMC Acadia. The number one most common problem is related to the electrical system (93 problems). The second most common problem is related to the horn assembly (two problems).

Table 1. Electrical System related problems of GMC Acadia


Recently reported Electrical System problems of the 2019 GMC Acadia

The Electrical System problem

The warning steering assist reduced, drive with caution appears. Shift to park appears. Temperature gauge drops to zero. Fan runs on high. A/c & heater don’t not work when this happens. We certainly do not feel safe driving our Acadia like this.   Read details...

The Horn Assembly problem

After placing my car in park, and trying to cut off the engine, it alerts me to "shift to park" . . . I will have to restart my engine, put it in neutral and then back to park, and try again to shut off the car.   Read details...

The 12v/24v/48v Battery problem

See attached document for complaint.   Read details...


Electrical System related problems in other GMC Acadia model year vehicles:



Acadia Service Bulletins
Acadia Safety Recalls
Acadia Defect Investigations