... Touareg/ GTI/ Passat and more) since 1990* Reads and erases Diagnostic Trouble Codes (DTCs) of engine, ABS, Airbags,Transmission, Radio, Climate ... C), Central Electrics, Steering Wheel, Instruments, Immobilizer, etc. (over 60 Systems on VAG range ONLY)* Reads and clears generic trouble codes ... Engine Warning Light, Airbags, ABS , A/T and other systems on VAG. (only engine system faults in non VAG cars ...