Sounds like usual stuff associated when first getting an old l322. I’d stick with it for now, start going bald, then if u still want to burn it you can still weigh it in after ;)
 
I have tried another IPK cluster :( Also tried another ABS ECU.

I could really do with someone else local to me who can plug my EAS ECU into their car so we can read the codes. If I can get the air suspension to fire up it means I can use the car better even if I can’t read the codes easily!
 
Never found the answer - it all of a sudden just started working again, I fear the same fate my befall this chap.

I have read this thread and the other the OP posted previously where I sent over the Bus System documents, he has done everything I would have suggested (and more) and not found the cause of the fault - I did similar when my Xenon lamp blew and took the reat of the diagnostics with it, I couldn't connect to anything other than engine OBD protocol (which is on a separate 'line' to the rest of the car - i.e. it doesn't go via the instrument cluster liek the others)....in fact iwould go so far as to suggest trying a different IKE (instrument cluster) and see what happens, but that is just throwing more money at it without a guaranteed solution.

I put up with my non-diagnostics issue and about 18months later it fixed itself and God only knows how or why! Sorry!!

Stupid thing is I can access engine, gearbox, ABS, parking sensors, can’t think what else.

My trans failsafe message comes up randomly too. Checked codes and it’s instuctions lost from CAN. So is this the cause for my can bus problem?!
 

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