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Porsche
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2003
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Cayenne S
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Repair and Diagnosis
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Body & Frame
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Towing Systems
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Trailer Hitch
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Fault code 1299
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Gateway
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Possible causes of fault
Possible causes of fault
To locales the fault, read out the fault memory for the 'gateway control module' (please read out fault memory)
No message from gateway on CAN comfort (no signal/communication)
Trailer hitch control module faulty