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Home >> Porsche >> 1997 >> Boxster Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis >> System N 01 >> Fault Overview >> Test point 2 >> Fault code 21

Fault code 21

Data lead, navigation unit-PCM: Open circuit/short to ground, Short to B+, Signal disturbance

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