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2011 Cayenne Turbo issue with rear passenger doors

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I have had the same issue randomly occurring with my 2011 Turbo. Another related issue was the other rear door would not lock and my alarm confirmation tone would not chirp.

It seems to be more frequent in cold weather, so I suspect it may be a lubrication issue.

Not sure if it was luck or not, but I tried spraying WD40 Dry Lube PTFE into every nook and cranny I could find near a handle or lock, then put a charger on the battery and actuated the locks and door handles multiple (many, many) times.

Both issues have improved, but they're not 100%, so if anybody has a suggestion for an easily accessible spot on these locks to shoot some lubricant into, please chime in. Also taking  suggestions on what lube!


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Scanner 1 I have the same 2011 Cayenne turbo.  I have had to replace the rear door lock actuators on both sides.  You can take them apart and clean some contacts but it may only be temporary fix.  Bigwillsell I would hook a scan tool up to yours.  Does the button on the center console unlock the rear doors?

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I was hoping to avoid pulling the door panels off--thought I read somewhere that it might be tricky with the powered window shades?

Av8sky, did you replace the actuators yourself and do you have the powered shades?

BTW, when mine does this, the scan tool typically reports:

000843 Central locking unit, implausible signal

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