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Home >> Porsche >> 2004 >> Cayenne (9PA) V6-3.2L >> Repair and Diagnosis >> Accessories and Optional Equipment >> General Module >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> PCM2/CDR23 >> Navigation Control Unit Function >> Tuner
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Tuner



Tuner

The tuner is part of the PCM2 (on the main board).

Unlock counter

Interruptions occur in the system if perfect communication is no longer possible. If the relevant threshold values are exceeded, an entry is recorded in the appropriate control unit and the 'unlock counter' is incremented.