Preliminary Work
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
Information
If the control unit has to be replaced, the values/coding must be read out prior to removal using the 2nd generation PIWIS Tester 9818 .
→ WM 577319 REMOVING AND INSTALLING CONTROL UNIT FOR FRONT DOOR .
Remove rear door trim panel. → REMOVING REAR SIDE TRIM PANEL