USB Obd-ii-2 KKL 409.1 Obd2 Cable Vag-com for Vw/audi This 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. Supports VAG-COM version 409.1 or older Fully automatic support for 2002+ Audi models with dual K-lines High quality precision moulded diagnostic connector made to fit all Audi/VW vehicles LED light shows cable communication status, In-built electronic protection from 'aftermarket radio problems'