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 (87 problems). The second most common problem is related to the horn assembly (two problems).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Horn Assembly problems | |
| 12v/24v/48v Battery problems |
Parts # 84733196 harness asm-tras cont wrg and 84955379 switch asm-trns cont have been replaced three times. This is described by dealer as a faulty park switch. When this switch fails the vehicle is unable to be shifted to park. Read details...
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...
See attached document for complaint. Read details...