Table 1 shows two common electrical system related problems of the 2012 GMC Sierra 2500. The number one most common problem is related to the electrical system (three problems). The second most common problem is related to the ignition switch (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Ignition Switch problems |
Failed transmission control module (24256861). While driving in the early morning hours (darkness) taking my child to school, I was navigating through a busy intersection when the vehicle surged and then made a loud metal on metal sound, feeling as if someone had struck me from behind. Read details...
Tl-the contact owns a 2012 GMC Sierra 2500. The contact stated that the vehicle stalled when turning the key in the ignition switch. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 67,000. Djr Read details...