his VAG_COM OBD II interface enables you to connect your PC to your car so that you can troubleshoot any problems in your vehicle by reading the Diagnostic Trouble Codes (DTC’s) that appear when the ‘check engine’ light is showing.Workable ModelsThis diagnostic cable is usable for ISO9141 and KWP2000 transmission protocol (16pin OBD II style Data Link Connector).Reference DataThis cable can not work if your car uses a protocol/bussystem like VPW, PWM or CAN-bus.Terminal K = Bus of communicationTerminal L = Ignition for waking up car computing system (ECU: Engine Control Unit)Existed 3 different protocols with same OBD2 connector incl. ISO/KWP, VPW, PMWThis K/L Diagnostic interface & cables work>Supported also ISO9141 protocolThe 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. FeaturesSupports VAG-COM version 409.1 or olderFully automatic support for 2002+ Audi models with dual K-linesHigh quality precision moulded diagnostic connector made to fit all Audi/VW vehiclesLED light shows cable communication statusFully CE approvedIn-built electronic protection from ‘aftermarket radio problems’This purchase is for>About VAG-COMVAG-COM is a Windows based diagnostic software for Volkswagen, Audi, Seat and Skoda vehicles that emulates the functions of expensive professional scan tools. It is:Fully compatible with all models of the above makes of car or van produced between 1996 and 2006 (see below for more information>Compatible with the above makes of car with CAN connectionHas a data base of more than 7500 fault codes and measuring block textsCan use the new 7 digit PIN/SKC codes to match new keys in all immobilizer-equipped W, Audi, Seat and Skoda modelsIs my Car VAG-COM Compatible?VAG-COM will work with most Volkswagen and Audi models sold worldwide from 1994> What System Requirements do I Need?A PC or laptop that is running Windows 95, 98, ME, NT4, 2000 or XP. A Pentium 100 (or AMD equivalent) that has 16MB of RAM is recommended. VAG-COM>Run it, follow the prompts and let it install (on your PC or laptop’s hard disk)Plug>Turn>Start the VAG-COM programme, click ‘options’, select the correct communications port and run the test to confirm that the programme is working and can find the interface. Click ‘save’.We want to make it even easier for you to use your OBDII USB cable, so here are some links to sites where you can download the software:Free SoftwareScantoolOBD Gauge by Dana PetersOBD Loggerby Jonathan SenkerikOBD-II ScanMasterby Wladimir Gurskijobd2crazyOBD2 Scantoolby Ivan AndrewjeskiOBDII for ELM322by David HuffmanRDDTCby Pete CalinskiReal Scanby Brent HarrisScanTestby Ivan GanevSoftware Available to PurchaseDigimotoPCMSCANProScan