Go to Special Functions->Read/Update ConfData
Press Read ConfData
Save data
Choose Transponder Maker function
Select Fiat model Ducato 2006, immobilizer BCM Mareli (93C160/95C320)
Transponder Megamos 48, max number of keys: 8
Load dump saved in step 1, precode transponder and see PIN
FVDI Fiat read 5-digit PIN.
Learn precoded transponder by OBD and start the car
Keys which are not programmed during this programming procedure will be cancelled forever(unusable)
Except if the keys have never been programmed on the vehicle.
Press OK
Key number 1 is programmed
Programming completed successully
Now you can start car with the key.