Here’s the guide on how to add touareg dealer key using fvdi abrites commander clone.
Connect FVDI with vehicle
Select Special Function->Key Learning->Standard Mode
You can search login code from ECU of the vehicle by OBDII or from dump of the KESSY using Dump Tool from the special functions.
Other way is to extract security code by OBDII when read EEPROM of engine control unit-use special functions “Engine Control Unit” main panel.
For this vehicle “Procedure 7” or “Procedure 8” is used depending of the production year.
Select Program dealer key
Select Autodetect from ECU
FVDI 2018 reads all 7 bytes of the component security bytes
Put key/transponder in programmer and press OK
FVDI identified transponder type: PCF7945