: Ensure the interface is plugged into both the PC and the vehicle's OBD-II port during the test, as some statuses only update when the cable is powered by the car.
: For second-hand genuine cables, you may need to register the device with Ross-Tech (often for a fee) to reactivate official support and license standing. 2. Fix for Generic or "Clone" Cables Vcds License Revoked Fix
Non-genuine cables are "blacklisted" by official VCDS software versions when they attempt to connect to Ross-Tech servers for updates. : Ensure the interface is plugged into both
: Completely uninstall VCDS and its drivers. Reinstall the latest version from the official download page , ensuring you choose the correct architecture (e.g., 32-bit vs 64-bit) for your system. 32-bit vs 64-bit) for your system.