One problem related to electrical equipment has been reported for the 2003 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sierra 2500 based on all problems reported for the 2003 Sierra 2500.
Speedometer in my 2003 GMC sierra has gone erratic. Zero to 120 mph fluctuations, sticks.
| Equipment problems | |
| Electrical Equipment problems |