Ford 6000 cd security locked

[talibans]

hy all,
i have radio cd Ford 6000 cd , 5M5T-18C815-FA no. M029000, Single CD , made by Visteon inn Portugal.
the radio display "security locked"
MCU: ST92F250CV2QB

i try
:connect Box III to the radio according to scheme
connect +12V to the radio, turn it on (press power on button, radio must ask for code ( audio problem ) or show Security Locked )
go to programmer, choose CPU ST92F250CV2QB
select Flash in Settings, use Read and Save ( to file )
having selected Flash click on Erase
change from Flash to Eeprom in Settings ( only Eeprom must be selected )
having selected Eeprom click on Erase
change from Eeprom to Flash in Settings
having selected Flash in Settings load file previously read out in point 4 and click on Write
disconnect device, wait about 10 seconds, reconnect power supply and wait some seconds
- try to power on and radio say again security locked

i try to read eeprom from programmer tab, load file eeprom reset counter, write eeprom reseted, turn off radio, wait 10 sec power on radion and again say security locked!

please help me,
thank you