Table 1 shows three common electrical system related problems of the 2012 GMC Sierra. The number one most common problem is related to the electrical system (four problems). The second most common problem is related to the wiring (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Wiring problems | |
| Ignition Switch problems |
Tl- the contact owns a 2012 GMC Sierra. The contact stated the vehicle experienced a loss of power which resulted in a front end collision with a guard rail. When the failure occurred all warning indicators illuminated. The vehicle was able to be operated after the accident. Read details...
Apparently gm uses peanut oil to lubricate wiring so they can more easily insulate, etc (accorging to the gm dealer). This attracts rats and mice which chew up the wiring - potentially impacting sensors and other items controlling cruise, stability/traction control, and any number of electrical Read details...
While moving with transmission in drive, the ignition switch can be switched off. By doing so, the power steering and brakes fail to function properly. The steering wheel will lock, not allowing to steer. Read details...