CG FC200 will do VAG MED17.5 ECU IMMO OFF in device directly without 3rd party software. Check instructions below:
Run FC200 software, select Bosch MED17.5 TC1766 ECU.
View wiring diagram
Connect MED17.5 ECU with FC200 following the diagram
Identify ECU.
Read and save Dflash.
Then read and save Pflash.
Go to ECU selection, select Data Process function-> Anti-theft data processing of Audi/Seat/Skoda/VW
Load Dflash data and Pflash data.
Then hit Parse data.
You will see ECU information, VIN, CS, MAC, PIN.
In Status area, select status as Closed (IMMO OFF). The save file.
MED17.5 IMMO OFF by FC200 programmer successfully.