mazda 3 1.6 2006

[Citrina]

car not start
error P1621
have two key(car with keyless system,remote workig)

03 00 c4 84 5f 01
03 00 e7 0d 35 01

maybe dash lost key?
ecu can read later,no have car in this moment

[kiszka]

..........

[Citrina]

Ok
Later read ecu
Maybe help all synchronize?

[Citrina]

...........
read ecu

[Citrina]

Maybe dash from other car?!
Ecu vin same how car

[kiszka]

..........

[Citrina]

Or possible add old all key if dash not original (synchro restore)with eeprom programmer or only via obd?

[kiszka]

..........

[Citrina]

No have old eeprom
But maybe i not right,dash original,only lost synchro and key
If possible write keys from first post to dash eeprom

[kiszka]

..........