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I'm new to the forum and would like to extend a warm hello to the RennTech forum members.  I have a Durametric Diagnostic Tool and recently ran a scan to uncover error messages related to the left and right front parking lights.  There's no error messages during daylight hours, however, the messages appear at dusk when the headlights turn on in Auto mode.  Visually the lights appear to be working correctly.  The DDT diagnostic folder "Body Control Module Front" has fault code 527935 / 80E3F and the "Body Control Module Rear" folder has fault code 1049727 / 10047F (according to Durametric these folders may be associated with the lighting system).  Any assistance is appreciated with respect to deciphering the aforementioned codes.

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  • 4 weeks later...

I assume these are the HID smart lights on a turbo.. the body control modules probably tell the lights the height of the suspension. The smart lights (I forget Porshe's name for them..) also move when you're turning corners.


Have you tried clearing the codes to see if they reoccur? That's always the first step in Cayenne troubleshooting. Something as trivial as a low battery voltage condition can cause modules to throw codes.  If they do reoccur - it's time to look at the wiring bundles that live under the front footwells carpeting. Entirely possible that some water intrusion has happened sometime along the way and caused bad connections on splices in those bundles. Luckily - it's fairly easy to remedy.. just a PITA.

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