OBDII Diagnostic USB Cable For KKL409.1 VAG-COM 409 OBD2 This diagnostic cable is usable for ISO9141 and KWP2000 transmission protocol like used. Primary Function: USB Vag-Com interface cable Operating Software Compatibility: Windows 98SE / ME / 2000 / NT and XP. Compatible Vehicles: Volkswagen, Audi, skoda, seat: