2011 Cayenne
The PCM keeps rebooting. Porsche dealer said it was due to "too many phones and too much phone data." They deleted all the phones and supposedly that was the solution.

Unfortunately the problem persists with only my wife's phone in memory and only a few contacts stored.

Please see my Youtube:


Suggestions?

 

I had a similar problem on my 2013 but I don't think phones were the problem. It went away on it's own and never came back. Here is the original discussion:

https://www.6speedonline.com/forums/...-suddenly.html