Tips for you all to flash ecu via Xhorse VVDI2 key programmer commander….
Flash ECU with original flash file: odx, frf, sgo.
Update your VVDI2 software to newest version.
For ECU flash, ECU may change the power class, it depends on the flash file you use. (Base on this feature, you can change ECU from 1.8T to 2.0T with suitable flash file).
Note: Before flash ECU, you need switch ON ignition with a working key or the target module with IMMO OFF status. Of course, if the target unit is none about immobilizer, there’s no limit for flash ECU.