If you own a HEX-USB+CAN interface that is 7–10 years old, the latest drivers (version 2.12.00 or higher) may cause "Invalid interface found" errors. Rolling back to restores full functionality.
: Essential for accessing electronic systems (engine, ABS, airbags) in Volkswagen, Audi, Seat, and Skoda vehicles using the OBD-II protocol. Version Significance Download ross tech usb library version 03.01.19 16
: Released in April 2019, this version ensures compatibility with newer 2019+ model year cars that require the latest generation of interfaces. How to Download and Install If you own a HEX-USB+CAN interface that is
Once installed, open VCDS, go to Options , select USB , and click Test . Troubleshooting Tips airbags) in Volkswagen
Once installed: