Specification :

VAG-COM for 607.3 is Compatible with the latest cars which require a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8.

Protocol timing indistinguishable from a real V. AG/ VAS tool. Works reliably even with " difficult" control modules such as the 1991-1994 1Z Audi TDIs and the 1993-1994 Audi 2.6L with Hella ECU

Built-In VAG-Saver functionality -- instantly alerts the user if either the K/ K1 line or the L/ K2 line is shorted to Ground or Vbatt.

Full support for dual-K lines found in " new" ( B6/ 8E chassis Audi A4 and 2002+ Audi A6 -- no VAS-6017 required -- no manual switches!

Fully backwards compatible with older cars using a single K-line or K plus L.

USB connector plugs into most modern laptops!

Compatible with the latest cars which require a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8? Protocol timing indistinguishable from a real VAG/ VAS tool. Works reliably even with " difficult" control modules such as the 1991-1994 1Z Audi TDIs and the 1993-1994 Audi 2.6L with Hella ECU.? Built-In VAG-Saver functionality -- instantly alerts the user if either the K/ K1 line or the L/ K2 line is shorted to Ground or Vbatt. Full support for dual-K lines found in " new" ( B6/ 8E chassis Audi A4 and 2002+ Audi A6 -- no VAS-6017 required -- no manual switches! ? Fully backwards compatible with older cars using a single K-line or K plus L

Bi-Color ( red/ green) status/ activity LED.