Open circuit sparodic signal, group convience data bus

drc1

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Hi Everyone,Have an issue with an 8P 2009 1.8TStarted with the radio cutting out occasionally and the right passenger door not unlocking and window would not work.Dealer said ignition switch needed replacing as they couldn't read past it as it had an error.Had the Ignition switch, the passenger door ECU and wiring loom changed at an independent.Window started working but now no cruise control doesn't work, and doors would lock unlock, washer cut out and indicators stop momentarily, Aircon/fans stop..Basically all the comfort electronics bus stuff would cut out/resetTook it back to independent and they said it would take days to trace the fault, said it looks like previous owner had dashboard out and had pinched cables etc.The Diagnosis log is attached.Thinking of trying to trace the problem myself...is there anything obvious I could try like relays?
 

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