Check if the car's ignition is on. Ensure the drivers are correctly installed in the Windows Device Manager.
Using an aftermarket cable with official Ross-Tech software downloaded from the web can "brick" or destroy the firmware of the cable.
Double-click the .exe file. Follow the prompts but do not launch the program at the end of the installation. vcds 18.9.1 download
Open the VCDS software, click Options , and select the correct port (usually USB). Click Test . You should see a message saying "Interface Found." Common Troubleshooting Tips
If you encounter issues during the VCDS 18.9.1 download or setup, try these quick fixes: Check if the car's ignition is on
Ensure you are running the program as an Administrator. Is VCDS 18.9.1 Right for You?
Do you have an or an aftermarket/clone ? Double-click the
Plug your VCDS cable into the laptop. Windows should recognize the device. Vehicle Connection: Plug the other end into your car's OBD-II port. Turn the ignition to the "ON" position (engine off).