If you got no communication to this and its the only module that is not communicating then what i would be doing is checking the supplies and earth to the module and also scoping the communication line, K-Bus.
Here is a capture of a Mini that I had last year that had no communication with the Airbag module and a few other modules. This was down to the K-bus signal.
Poor K-bus signal
Good K-bus signal
If all your signals are good and the supplies, and you are using a dealer level diagnostic tool,then that would be enough, no need to send it anywhere...
Darren
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