Using the hardware you are able to communicate to your cars control modules. Each car can have lots of control modules (cars on board computers). which our hardware software can talk to. the number and type of modules available will vary based on your cars make and model. Please note this is a well known product in the car industry as is one of the most widely used car diagnostic software by mechanics. 1. Engine Diagnostics2. Clear DTC (error) code. over 7500 DTC codes with description3. Reset Service lights4. Read & Clear Airbag fault Codes5. Read & Clear ABS Faults6. Automatic Transmission7. Immobiliser / Alarm Systems8. Car Stereo System9. Central Locking System10. and lots more… Technical Specification: 1. This cable can not work if your car uses a protocol/bussystem like VPW. PWM or CAN-bus. 2. Terminal K = Bus of communication3. 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. PMW5. This K/L Diagnostic interface & cables work on ISO/KWP (Key Word Protocol) launched after 1996 only6. Supported also ISO9141 protocol7. 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.FTDI FT232RL VAG COM KKL 409.1 OBD2 K-Line KWP2000 ISO9141 USB FOR VW/AUDI