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PCM reboots every 5 minutes, navigation not loading........?

  • 2015
  • Boxster
23 000
Electrical and Electronic

Navigation, maps not loading and entire PCM system reboots every 5 minutes.  Turns itself off and on!   Have attempted to reload maps and nav many times with no joy. I assume this is a firmware issue, can this be fixed by me or must I visit the service center at the nearest dealer and hour away and what is involved when remedied?

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