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Showing results for tags 'pcm nav'.
Hi, Brought my '06 C2S to the dealer and asked if a newer NAV DVD was available. The DVD I had was labeled: 04.2005 997.642.257.02 7L5.919.859.AC Got a call the first day saying they were having some trouble with it and that they were talking to Porsche. Three days later I get a call telling me that my PCM has become "locked up" while they were doing a software upgrade necessary to use the newer NAV data DVD, and that it needs to be replaced, and that it's my responsibility - $4600! It's out of an extended warranty but it seems pretty crazy that I can bring in a working PCM that they br