Possible causes of fault
WARNING: This page is about a different car, the 2006 Porsche Cayenne, 2005 Porsche Cayenne, 2004 Porsche Cayenne, and 2003 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
- 'Short circuit to B+': signal line of potentiometer '1/2' (sensor 1/ 2) short circuit to B+(12 V)
- 'Short circuit to B+': transfer box control unit faulty
- 'Open circuit/short circuit to ground': signal line of potentiometer '1/2' (sensor 1/2) open circuit or short circuit to ground
- 'Short circuit to ground': potentiometer faulty
- 'Open circuit/short circuit to ground': transfer box control unit faulty
- 'Implausible signal': potentiometer faulty