The turn signals may operate like hazard flashers when intending to signal for a turn. The driver may not be able to clearly signal their intentions, increasing the risk of a crash. Dealers will replace the suspect flasher modules with a new flasher designed with sealed relays for better durability. The recall began August 4, 2005. The GM recall number is 05044.
2004 GMC Envoy Recalls
Turn Signals May Operate Like Hazard Flashers
Electrical & Lights,August 4, 2005
RepairPal Expert Overview:
GMC Envoy Recall 04V527000
Electrical & Lights,November 22, 2004
Summary:ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.