file ecu

[shoufi]

can someone explain to me. can it? ecu file exchanged? (micro and eprom). if the hardware and pcb are the same. but different from the initial part number. because of different cc. can it work ....? with ktag and kess.

[figani]

Maybe yes and maybe no...
be more specific...
ecu...?

[shoufi]

Maybe yes and maybe no...
be more specific...
ecu...?

thank you sir answer. maybe inexplicable. if yes. what are the conditions? if not. Why? for example the type of ecu honda 37820 or denso toyota.