Table 1 shows 18 common electrical system related problems of the 2003 GMC Envoy. The number one most common problem is related to the electrical system (65 problems). The second most common problem is related to the instrument panel (24 problems).
Vehicle caught fire under dash somewhere without vehicle being turned on. Read details...
Envoy 360 speedometers 2004 reads im going 150 mph all the time. Read details...
Tl-the contact owns a 2003 GMC Envoy. The contact stated that the key failed to release from the ignition switch. The contact was able to release the key after several attempts. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. Read details...