1l15y cas4 VVDI

[yz888]

hi guys im having some trouble with a cas4 this my first 1L15Y cas4
im using a vvdi to do it
i would like to know if i need to i need to force unlock it like doing 5m48h ?
or do i read the eeprom and flash then change its mileage and write it back in to the CAS4

[Josue]

Good evening friend, I read / write a Cas4 I have always used VVDI prog and always to write it I had to press "Reset Sec" to unlock the security of the processor and after writing it use the option "Set Sec" to rewrite The Bit is secure.
Before starting to do anything, I recommend you read everything in the Backup option and save all the information.

[Josue]

Tell you that before you do anything, when you press the "Reset Sec" button down in the dialog box you will see the security bit that you will then have to write with the option "Set Sec"

[yz888]

but there is no reset sec button in 1L15Y mode. only in force unlock have.

[Josue]

It is true, the option in VVDI prog does not appear, in that case, make a full backup of the memory and try to write it in a normal way, I do not think it will be any problem at the time of writing, it should be all...