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2012 Cayenne nag, entertainment system glitch, on and off even when car off locked. Help

JohnnyT
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JohnnyT Member

JohnnyT

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My Cayenne recently began turning off the entertainment and navigation system, resetting in a couple minutes then shutting off again. This lasted a few days and has morphed into to repeating this action even after engine off, key removed and door locked. This goes on all day and night, so much that the system goes into battery protection mode. Help!

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  • 3 months later...
RobertDenali Member

RobertDenali

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Posted

6554b6be8c0d829a8bf63ae0c82cf121_link.pn PCM unit restarting every 2-3 minutes - Rennlist - Porsche Discussion Forums

RENNLIST.COM
Cayenne 955-957 2003-2010 - PCM unit restarting every 2-3 minutes - I just had my Cayenne detailed (same guy I�ve been using for years and he�s very fastidious) and the PCM unit is now shutting down and immediately restarting from the Porsche Logo/white screen every two or three minutes. I�m pretty certain he didn�t...
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