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Registered
Join Date: Jun 2009
Location: Redwood Shores, CA
Posts: 162
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Why does this come up on my PCM...
Whenever I start my car and turn on the radio this screen comes up. Everything works on the PCM and I just had the PCM Porsche NAV SYS disc replaced by Porsche. Any ideas or is this a standard thing? Thanks,
Bob Faust Redwood City, CA 
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04-14-2018, 03:34 PM
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Registered
Join Date: Jan 2008
Location: NJ
Posts: 1,186
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Dear Bob,
Those old 356 radios are somewhat inconsistent sometimes. Best bet is to pull all of the tubes and take then to a good drugstore and run them through the tube tester. My bet is on the TH250 power tube they take more abuse during on off cycling. YMMV
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2013 991.1 Carrera S Cab 2004 996 Turbo CAB X50 sold 2003 996 cab 6 speed Sold 1972 RS 3.2 twin plug short stroke crank fire, roll bar, sold DE instructor since 1985 |
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04-20-2018, 02:11 PM
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