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

Function:

Read & erase error code, log data e. g. speed, gasoline, consume engine-rotating (RPM: Rotation Per Minutes).

Specification:

1.This cable can not work if your car uses a protocol/ bus system like VPW,PWM or Can-bus.
2.Terminal 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 (Kev Word Protocol) Iaunched after 1996 only
6.Supported also ISO9141 protocol
7.The cables may work with some versions of the car software, but car software 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 use a USB to Rs232 converter chip .But under special circumstances this can give some problems regarding time especially on the handshake lines.

Packaged list:

1 x VAG COM 409.1 Cable
1 x Driver CD