Connect to the OBD2 port (or direct boot pins for locked ECUs). Select "Write" or "Flash." Choose the new file.
: They are used to fix bugs, improve performance, or resolve issues outlined in a TPI (Technical Problem Information) document. Finding and Using New Flash Files vag flash file new
: Modern VAG vehicles primarily use .frf and .odx files, while older models often used .sgo . Connect to the OBD2 port (or direct boot