Here vvdishop.com shows how to read VAG DQ250 transmission gearbox TCU with Xhorse Multi Prog programmer and Godiag GT107+ DSG adapter.
To connect multi prog with GT107+ DSG adapter you also need a Godiag G-V ecu cable converter like this.
Here is the overall connection diagram.
Connect multi prog with Godiag G-V ECU cable and GT107+ DSG gearbox adapter
Connect DQ250 gearbox with GT107+ jumper cable
Connect multi prog with PC via USB cable and power adapter, turn on multi-prog programmer.
Run Multi prog software, quick search DQ250 gearbox type
Read INT eeprom
Connects with gearbox, you can see voltage and current on the GT107+ adapter.
Read int eeprom successfully. Save INT eeprom.
Read INT flash and save.
Then read EXT eeprom and save.
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