Table 1 shows three common electrical system related problems of the 2008 GMC Sierra. The number one most common problem is related to the electrical system (15 problems). The second most common problem is related to the battery (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Battery problems | |
| Power Door Locks Not Working problems |
Door locks don't work. Read details...
While driving pulling a boat trailer truck lost all power doors started locking and unlocking continually,all gauges and warning lights come on truck lost power and cuts off loosing breaking and steering, radio resets , speakers not working. Read details...
All four door locks were intermittently inoperative & only able to function manually from the inside. Taken to dealer and diagnosed as internal failure in door lock assemblies/actuators. All four door lock assemblies were replaced at a customer cost of $900+. Read details...