Audi A3 2009 P8 ECU EDC17 and dash VDO 8P0920932G with white display. All keys have lost. I cannot read dash via obd. I take out and read the eeprom 24c32 and need modified this for enter in service mode and read immo data.
Updated:
avdi work in this car, and xhorse vvdi2 perfect.
Finally, i found the option service mode in vvdi2, i have FVDI too. My 1st option, i tried did all the process in bench because car not start and client give me only dash, this dash need gateway for wake up. With car, Read abs confing. take out dash and modified eeprom for service mode, reinstall in car, restore ori eeprom via obd read and precode new key in 5 min. Job done.
Read aslo:
http://blog.vvdishop.com/tips-to-add-key-2008-audi-a8-with-xhorse-vvdi2/