Electrical System Problems of GMC Sonoma

GMC Sonoma owners have reported 46 electrical system related problems since 1996. Table 1 shows the 16 most common electrical system problems. The number one most common problem is related to the vehicle's ignition (6 problems). The second most common problem is related to the vehicle's ignition module (5 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of GMC Sonoma

The Ignition problem

The key used to stick in the ignition and release itself after a short time. Then the key would not release, and when the key came out the vehicle could still be started, then the steering wheel locked and the key came out, but when placed back in, would not unlock the steering wheel nor would it   Read details...

The Ignition Module problem

The engine has a miss in it sometimes it will quit and you have to wait a half hour for it to start again we have put a new coil, fuel pump, fuel filter, and a module it did not fix it. What can I do to fix it.   Read details...

The Electrical System problem

While driving all electrical shuts down engine , everything!!!!!!!!!   Read details...

The Ignition Switch problem

The contact owns a 1999 GMC Sonoma. While driving 72 mph on the highway, the vehicle lost all power and the power steering failed. After the vehicle stalled, all the lights illuminated on the instrument panel.   Read details...

The Wiring problem

While traveling on the highway engine check light appeared on the dashboard. The vehicle was towed to the dealership on three occasions and was told the problem was possibly the wiring harness   Read details...




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