Parts & Accessories Car inspection services The OBD2 KKL VAG-COM 409.1 USB cable is a budget-friendly diagnostic tool for Volkswagen, Audi, Seat, and Skoda vehicles (approx. 1996-2009) that enables reading/clearing error codes and monitoring live data via USB. It typically uses the K-Line interface to connect the car's ECU to Windows-based software like VAG-COM 409.1 or VCDS. You use it by downloading VCDS software onto your laptop, connecting the cable, and it works. The price for this item is 50 SAR.