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thejackamo

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About thejackamo

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  • From
    New York
  • Present cars
    Cayman GT4
  1. Hi all, I'm in the midst of planning a bit of an unconventional PCM replacement and wanted to see if I might be able to get some feedback on a few questions that have popped up as I've gotten along in the process. Long story short, the PCM 3.1 in my 981 GT4 has been replaced twice now due to the prior units essentially going into an endless reboot cycle. And before you ask, it's not the XM problem—the PCM doesn't even power on long enough to be functional, essentially like the PCM in this 991. I'm now on the 3rd unit and am pretty much done with Porsche OEM head units; the latest rep
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