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Flashing back to stock, relocks the ECU/TCU back to an original equipment (OE) standard. This allows programming with other software, or for dealer tool updates to be made. The OE dealer tools can still see flash history from all modules, as we do not mask the programming events from the factory tools that can affect the vehicle’s warranty.
Known Issues
RaceROM version 3
RaceROM version 3 for VWAG ea888 vehicles requires the use of latest version ECU Connect to program correctly, if you attempt to program the new patches with the old version of ECU connect recovery may be required.
Older DQ250 Patches
Due to a bug in older versions of patches there is a known issue where the DQ250 gearbox controller (TCU) doesn’t always accept the phone flash commands. This issue has been fixed in the latest release patches (version 47478) and once programmed with phone flash and the later version patches, there should be no ongoing issues.
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