I found an exact replacement satellite radio module on ebay. Exact same part number, same software and hardware rev. Manufacture date 3mos after the one that came in my car.
I swapped it out for the old one, instantly saw a red light go on on the inside of the box (through the vent holes in the case). It works 100%. No coding required - blue tooth, radio, navigation sound all works, SOS malfunction message disappeared. No need to even reset thru the HU !!!
Dealer solution: $1400. ebay, patience & a little luck: $206.