Agreed ... EFILive and HPT don't list the PCM Service Number for this very reason. TC does, but via an extensive look up table - which is linked to the OS used, but not to any hardware detected - a 2002 OS flashed into a 09354896 PCM will be inaccurately displayed as a 12200411 PCM.
My 2 cents ... simply remove this displayed parameter from your software (like EFILive and HPT have opted to do).
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