Two problems related to turn signal have been reported for the 2006 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Porsche Cayenne based on all problems reported for the 2006 Cayenne.
The contact owns a 2006 Porsche Cayenne s. The contact stated the insulation for the wires on the headlights were worn out resulting in the loss of headlight functionality. The contact stated that check headlight and check turn signal lights were illuminated. The vehicle was not taken to the local dealer. The manufacturer had not been informed of the failure. The failure mileage was approximately 173,000.
Insulation on the wiring inside the head lights and wiring on the harnesses feeding the head lights & turn signal lights deteriorates and crumbles. This leads to shorting of wires and head light & turn signal failing. Additionally the connectors on the head lights & harnesses corrode leading to headlight/turn-signal failure. This can occur at anytime, driving when starting, stationary, or turning.