How to read eeprom from EZS in Audi Q7 / A6 via OBD with Xhorse VVDI2 key programmer?
You can also enter CS and PIN data manually or read from the engine ECU automatically.
Open VVDI2 VAG software
Select Key Learn->4th Immobilizer system-Audi->A6L/Q7/Allroad
Press Autodetect from engine(ECU)
Read data success
Xhorse VVDI2 reads MAC PIN
Click on Read and save EZS-Kessy EEPROM (J518)
Save eeprom data.
Press Read VIN
Read VIN success