Table 1 shows nine common exterior lighting related problems of the 2003 GMC Envoy. The number one most common problem is related to the exterior lighting (13 problems). The second most common problem is related to the headlights (ten problems).
Issue: hazard warning/turn signal flasher module failure. Description: right front and rear turn signal and right front and rear hazard warning not working outside or inside vehicle. Replaced burned out right front turn signal/hazard. Read details...
The contact owns a 2003 GMC Envoy. After parking the vehicle and attempting to exit, the driver and passenger side doors failed to unlock. In addition, while driving 45 mph, the headlights blinked on and off and failed to remain illuminated. The vehicle was not diagnosed nor repaired. Read details...
The contact owns a 2003 GMC Envoy. On three separate occasions, the low beam headlamps failed without warning. When the passenger's side turn signal was activated, the four-way hazard indicator illuminated. The vehicle was not diagnosed or repaired. The failure was intermittent. Read details...