Table 1 shows six common electrical system related problems of the 2009 GMC Sierra 1500. The number one most common problem is related to the electrical system (14 problems). The second most common problem is related to the ignition module (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Ignition Module problems | |
| Ignition problems | |
| Ignition Switch problems | |
| Wiring problems | |
| Battery Cable problems |
Tcm and electrical transmission grounded out tcm in my research a lot of people are having issues with these. Dealers are of no help “backordered” so having to rebuild them. This is an expensive failure! Read details...
The contact owns a 2009 GMC Sierra 1500. While driving at various speeds, the instrument panel lights blinked on and off. The failure also occurred while at a stop light. The contact took the vehicle to the dealer and they replaced the ignition switch and the body control module, but the failure Read details...
The contact owns a 2009 GMC Sierra 1500. The contact stated when turning the key to off and removing it from the ignition, the engine would remain on. When braking to a stop, the vehicle would lunge forward and sporadically accelerate. The dealer was unable to duplicate the failure. Read details...