One problem related to battery has been reported for the 2008 GMC Sierra. The most recently reported issues are listed below.
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. Service traction control warning comes up service stabilatrac comes up , service battery/charging system.
| Electrical System problems | |
| Battery problems | |
| Power Door Locks Not Working problems |