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Porsche
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2004
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Cayenne Base
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Repair and Diagnosis
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Transmission
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Transmission Control Systems
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TIPTRONIC -- Diagnostics
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Fault code 0789
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Reversing light switch
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Affected pins
Affected pins
Tiptronic control module plug:
Pin 21 'reversing light input', from vehicle electrical system control unit 'pin A20' (see
PLUG 'A', 26-PIN
)