Specifications: Workable model This diagnostic cable is usable for iso9141 and kwp2000 transmission protocol like used for example By: - volkswagen - audi - skoda - seat Reference data 1. This cable can not work if your car uses a protocol/bus system like vpw, pwm or can-bus. 2. Terminal k = bus of communication 3. Terminal L = ignition for waking up car computing system(ecuengine control unit) 4. Existed 3 different protocols with same obd2 connector incl. ISO/kwp, vpw, pmw 5. This k/L diagnostic interface&cables work on ISO/kwp(keyword protocol) launched after 1996 Only 6. Supported also iso9141 protocol 7. The cables may work with some versions of the carsoft, but carsoft used a lot of different interfaces During the different versions and also had some custom interfaces. 8. Product running as virtual comport, like many products it uses a USB to rs232 converter chip. But under special circumstances this can give some problems regarding timing especially on the handshake lines.