[ivannzowa]

Hello,i have toyota Mark X of 2009 which uses smart key,and i want to program new key in the car,anyone can help me to renew smart key ecu with 93c86 eeprom,here is the dump

[papunaaa]

You want's to calculate new used key?

[jezocode]

Get new key and prog it
and then you can match the used one
keep the previos one eeprom one

[bram380]

All key lost?
If yes, read smart key & post here it.

[ivannzowa]

All key lost?
If yes, read smart key & post here it.

here is the dump for smart key ecu and immobilizer