One problem related to electrical failure has been reported for the 2011 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 GMC Sierra 2500 based on all problems reported for the 2011 Sierra 2500.
Vehicle exhibited "low coolant" warning in dic after gm def recall was performed. "low coolant" warning returned after multiple repairs to the coolant system from servicing dealer. Failure of coolant system resulted in a failure of the head gasket and water intrusion into the #7 cylinder. Vehicle is 12 months old and had 15,000 miles at the time of failure. Vehicle also exhibited multiple electrical system failures including: dead battery no start condition multiple times trailer brake system failure engine hour meter failure intermittent electrical failures from door locks, lights, radio. Selling dealer recalibrated ecm twice, but electrical issues are still present.
| Electrical System problems | |
| Wiring problems | |
| Electrical Failure problems |