Easy tiger
The way it looks to a lot of us is that there's something going on that can't be diagnosed by the average spanner-monkey on his driveway.
You've both had issues when replacing/repairing the ETM and amongst conflicting opinions, the fact that that the ETM might need flashing seems to be becoming more and more prominent. I honestly didn't think this would be the case but looking at what's been recently posted, and remembering that the P2 ME7 is more complicated than the P1 (P2 is actually ME7.1 iirc) The "plug 'n' play" idea could very well only apply to the P1.
Have either of you phoned somewhere like MRG or HLM etc ? you might get a simple yes or no and possibly solve both your problems. Or at least, rule out the ETM being the problem.
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