GMC owners have reported 4,407 electrical system related problems since 1996. Table 1 shows the most common problems related the electrical system of GMC vehicles. The number one most common problem is related to the vehicle's electrical system (2,489 problems). The second most common problem is related to the vehicle's instrument panel (600 problems).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Instrument Panel problems | |
| Wiring problems | |
| Ignition Switch problems | |
| Alternator/generator/regulator problems | |
| Battery problems | |
| Car Will Not Start problems | |
| Dashboard Failed problems | |
| Dash Wiring problems | |
| Battery Dead problems | |
| Ignition problems | |
| Horn Assembly problems | |
| Starter problems | |
| Ignition Module problems | |
| Fuses And Circuit Breaker problems | |
| Battery Cable problems | |
| Instrument Panel Failure problems | |
| Underhood Wiring problems | |
| Software problems | |
| Anti-theft Controller problems | |
| Headlights Turn Off While Driving problems | |
| Ignition Coils Failure problems | |
| O2 Sensor problems | |
| Starter Solenoid problems | |
| Car Will Not Accelerate problems | |
| Electrical Failure problems | |
| Power Door Locks Not Working problems | |
| Crankshaft Position Sensor problems | |
| Computer Failure problems | |
| Trunk Wiring problems | |
| Battery Propulsion System problems | |
| Integrated Trailer Brake Control problems | |
| Camshaft Position Sensor problems | |
| Mass Air Flow Sensor problems | |
| 12v/24v/48v Battery problems | |
| Starter Relay problems | |
| Horn problems | |
| Adas Blindspot Sensors problems |
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