USB KKL VAG-COM For 409.1(white cable) 
Product Name:  USB KKL VAG-COM For 409.1(Blue cable)  
Net Weight:  0.15KG

Workable Model
This diagnostic cable is usable for ISO9141 and KWP2000 transmission protocol like used for example by: 
Volkswagen 
Audi 
Skoda 
Seat

1.This cable can not work if your car uses a protocol/bussystem like VPW, PWM or CAN-bus. 
2. Terminal K = Bus of communication 
3. Terminal L = Ignition for waking up car computing system (ECU: Engine 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 (Key Word 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.