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Question? Is the software version in the new ECU different than in the old one? Could you have had the same result by updating the old SMG ECU with the most recent software via the INPA suite of software? (NCS expert etc).

What I'm trying to figure out is if it was a hardware or software issue at the heart of this problem.

I have seen some problems with CAN communication faults stored in the DME from the 3 SMG PT-CAN ArbID channels due to a very old DME version and the most recent Euro SMG version before.
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