PCM Diagnostics & Tuning - 12200411 ecm numbers

Can someone Explain these Abbreviation printed on 12200411 ECM's? Can the all be reprogrammed the same? do i just ignore it?

Here in Aus most have
12200411 DSKU

But most i find in u.s have
12200411 DMNP
12200411 DMNR
12200411 DLAC
12200411 DFNN
12200411 DLDJ

Can someone Explain these Abbreviation printed on 12200411 ECM's? Can the all be reprogrammed the same? do i just ignore it?

Here in Aus most have
12200411 DSKU

But most i find in u.s have
12200411 DMNP
12200411 DMNR
12200411 DLAC
12200411 DFNN
12200411 DLDJ


not sure what the alpha code is.. most likely the broadcast code.

but as for programming yes the pcm can be programed the same just ignore the rest. only thing that matters is the part number 12200411

they all will work the same

Thanks lads.