Keep up the good work!
I don't know of any checks for the PGM, since we've next to no info about it.
Only thing I can think of is to plug it into a known-good bike and ensure it works.
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball