Turn the car's ignition to the "On" position, but do not start the engine. Run the Loader: Open the program using your new desktop Loader shortcut Test Connection: in the VCDS menu. as the port and click Once the message "Interface Found" appears, click to lock in the configuration and activate the software.

I can provide the targeted driver files or configuration steps based on your setup.

The installation typically follows a two-part process: the base software followed by the loader utility.

If using a specific "loader" application for a non-genuine cable, copy the loader executable into the main VCDS directory (typically C:\Ross-Tech\VCDS

- Once the loader is running and the software launches, go to Options → Test. The system should automatically detect your interface. Click Save to store the configuration.