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Porsche
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2008
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Cayenne Base, Automatic
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Repair and Diagnosis (Single Page)
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Electrical
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Motors, Switches, Relays
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Vehicle Electrical System (BNSG) -- 9PA Cayenne
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Fault code 1704
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Terminal 58d (instrument lighting dimming)
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Notes
Terminal 58d (instrument lighting dimming): Notes
NOTE:
This fault can also be caused by a faulty fuse. Given this, it is advisable to check the fuse first before starting to check the wiring and components.