Fan in passenger footwell running after shutoff draining battery.
 

Have a 2004 Cayenne S. Battery was being drained by something and going dead. Discovered that there is a fan running in the passenger footwell area that wont shut off. No sound from engine compartment.

Any ideas?

It can be a defect on the fan controller, the fan sensor, or the relay.

Do you have a chance to read the fault code?
If so, it's easy to understand where the problem is and how to go around it.


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