ECM AND TCM BCCs

[RetroAus]

Hi all,
Just wondering if anybody recognises the following broadcast codes for ECM and TCM...

ECM BCC - YPRX

TCM BCC- YMXA

Cheers

[GMPX]

Not sure on the BCC's. I bet someone at a dealership might have a list though.

Cheers,
Ross

[RetroAus]

Thanks Ross
OS number is 12612290 for ECM ..I noticed no support yet for this OS.Any ideas on what it is out of as I have ECM (E38) with this OS number on ID decal.

[GMPX]

Closest I found was 12612291, from a 2007 5.3L Sierra.

Cheers,
Ross