Four problems related to electrical system have been reported for the 2008 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Porsche Cayenne based on all problems reported for the 2008 Cayenne.
Porsche Cayenne have water drain design issue. When raining or wash the car, the water drain clog will make water flood the inside of the vehicles, and damage the wires under the driver's side and passenger side. This is a common issue, Porsche know this, but not fix it.
Parked vehicle and attempted to turn off got a red alert steering faulty,everything locked up including transmission and window switches. . Had to be flat bedded to a Porsche dealership took a week for them to figure out,had to replace steering column. Concern is what would have happened if driving at the time. . Got no answer.
A start ignition won't start and I have to plug the key in order to started the vehicle.
The contact owns a 2008 Porsche Cayenne. While driving 35 mph, the vehicle stalled without warning. It was diagnosed that the air conditioner condensation drain line was plugged, which caused the electrical issue. The manufacturer was not made aware of the issue. The failure mileage was 72,340.
| Electrical System problems | |
| Software problems | |
| Car Will Not Start problems |