One problem related to automatic transmission control module 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.
Tcm failed. Couldn’t find the parts required. Truck sat 700 miles away from me for four weeks. Had to have part repaired in hopes it worked. As of now I still have some issues but would not have the truck at all if I had to wait for a part.
| Power Train problems | |
| Automatic Transmission Column Shift problems | |
| Automatic Transmission Control Module problems |