One problem related to underhood wiring has been reported for the 2004 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Porsche Cayenne based on all problems reported for the 2004 Cayenne.
Horn dose not work, navigation system not functioning properly, radio no longer works. Reference campaign id 04v069000.
| Electrical System problems | |
| Wiring problems | |
| Horn Assembly problems | |
| Underhood Wiring problems | |
| Software problems |