GMC C2500 owners have reported 16 electrical system related problems since 1996. Table 1 shows the 7 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (7 problems). The second most common problem is related to the vehicle's instrument panel (3 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Instrument Panel problems | |
| Dashboard Failed problems | |
| Ignition problems | |
| Dash Wiring problems | |
| Wiring problems | |
| Battery problems |
Gauge instrument cluster defective on 2003 GMC sierra. Speedometer reading incorrect speed. Considered a safety defect. Unable to accurately determine vehicle speed. General motors dealerships unwilling to repair defective parts. Read details...
The contact owns a 2003 GMC sierra 2500 hd. While driving 35 mph, the warning lights on the instrument panel continued to flash on and off. In addition, the windshield wipers activated and smoke was noticed underneath the hood. Read details...
The instrument cluster has been failing one gauge at the time since 4 years ago, finally it quit all together, I called gm and my local dealership and I was told there was nothing they can do but to charge me for check up and possibly get me a new cluster for 400. 00 what a joke. Read details...
While replacing the fuel injectors under a special injector warranty, the dealership broke a glowplug off and called to say I need to replace the cylinder head at my cost. Call GMC customer support who say due to the age and mileage 2001, 124500. Read details...
Instrument panel cluster components failed thus all gauges on dash board went "flat"/back to -0-; vehicle did operate however could not even read how much gas was in tank. Also as of mileage of 13312 notice vehicle began to use oil, as of 26300 after watching the vehicle noticed that it Read details...