I found the solution. You need to buy a "sensor programmer" built specifically for Ford cars. It's called EL-50449 (EL-50448 works as well) , it's cheap and you can buy it online. As soon as the car starts "learning mode" you need to approach this device on each tyre from front left tyre to back left tyre (clockwise) thus the car recognize each sensor. Let me know if it works! Byeee!