Mazda 3, 2005 how to program key

[yem22]

Hello every one

i have Mazda 3 2005 , ECM was dead ,, I got new second hand ECM,, eeprom 93c56 has been swapped , when i check dtc it show "ecm programing error" , so i told the owner that the old ecm not belong to the car , he bring me another ecm, then i also got its eeprom to the new one ,,,and has no dtc codes in engine now,,, but the key red light is on all the timeis there procedure to program all ecm ,dash and the key so the car start ?

thanks in advance

Yassir

[super jumbe]

I haven’t done Mazda3 but I read some were you programme like ford cars…search DK.

[JONAS8044]

*What exactly are you trying to say here ?

[cqae]

I dont know about this car specfically, but I would think the programming error is because the variant coding is different.........e.g. type or gearbox, or if cruise is fitted......that info must also be stored somewhere, you could swap MCU over or try using a scan tool & see if its an option