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.
- Windscreen or silicone cushion faulty or soiled
- Open circuit or short circuit in signal lead
- Rain sensor/light sensor faulty
- Wiper control module or vehicle electrical system control module coded incorrectly (incorrect sensor selected)