One problem related to service engine light on 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.
The contact owns a 2003 GMC Sierra 2500. While driving at any speed, the vehicle stalled, lost power, and the service engine light illuminated. The vehicle was taken to an independent mechanic who was unable to diagnose the failure. The failure recurred. The manufacturer was made aware of the failure and advised the contact to take the vehicle to a local dealer for diagnostic testing. The vehicle was not diagnosed or repaired. The failure mileage was 180,000.
| Car Stall problems | |
| Engine And Engine Cooling problems | |
| Engine Exhaust System problems | |
| Service Engine Light On problems | |
| Engine Oil Leaking problems |