Re: Porsche Cayenne V8S 2003 - No activity at DLC pins 6 and 14
James McCallum
Hi Mate, no the K line is only there for backup. The diagnostic can is woken up by the tester when connected. If you have no comms with diagnostic can then you can check resistance at plug, you can also check wiring to gatepins at both ends could be splayed. If you have comms between different systems the it is unlikely that gateway has gone down. HTH James
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