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[turbohf]

ECU in question would be a 37820-P73-A02 and 37820-P73-C02... but i would assume the difference would be across the board for Honda ECUs...

so anyone know what the differences are? as far as i have heard the emissions systems are the same for both US and Canada. and only things i have seen different between US and Canadian models is the SRS setups and daytime running lights? California cars got Lxx ECUs, so could it be a difference in gas octanes/ratings?

anyone got a solid answer for this? compared the bins? anything factual to shed some light?

[Joseph Davis]

http://wikitest.pgmfi.org/twiki/bin/view.pl/Library/EcuDefinitionCodes is of no help to you.

Seems like it's all semi-interchangeable, but you need to verify if you run into IMMO or PA conflicts.  Actually, you won't have PA problems since it's in the ECU + if the ECU doesn't support it/doesn't have one then it won't look for it. 

Find an asshat with a .ca spec ITR and ask him if he has a generic scantool that looks for readiness tests and can read VIN, if it does you should be good to go.