VAG KKL 409.1OBD2 USB Diagnostic Cable Scanner Interface for VW, Audi, SEAT, VW. Main function: VAG KKL USB Interface CableOBDII Plug: J1962 16-pin male (to car)Operating software compatibility: Windows 98SE / ME / 2000 / NT and XP. Supports Terminal (K) Bus Communication. Terminal (L) Ignition is used to wake up the car's computer system (ECU) Engine Control Unit.With 3 different protocols with the same OBD2 connector, including ISO / KWP, VPW, PMW.Suitable for most VW and Audi models sold worldwide from 1994 to present.Also supports ISO9141 protocol.If your car uses a protocol bus system like VPW, PWM or CAN bus, the VAG cable will not work.The K-diagnostic interface cable is suitable for ISO / KWP (Keyword Protocol) introduced after 1996.Compatible vehicles: For VVW, For Audi, For Skoda, Seat:For Audi models:- Compatible: A2 / A3 / A4 Cabriolet / A6 / A8 / S2 / S3 / TT- Not compatible: 80 / 100 / 200 / A3 (8P) / A4 (B7) / A6 (C6 / 4F) / A8 / A8L (D3 / 4E) / Q7For Seat models:- Compatible: For Alhambra / For Altea / For Arosa / For Cordoba / For Ibiza / For Inca / For Leon MK 1 / For Leon MK 2 / For Toledo- Not compatible: For Altea (5P) / For Leon (1P) / For Toledo (5P)For Skoda:- Compatible: For Fabia / For Felicia / For Octavia MK 1 / For Octavia MK 2 / For Superb- Not compatible: For Octavia (1Z)For VW:- Compatible: For Beetle / For Bora / For Caddy / For Corrado / For Golf MK2 / For Golf MK3 / For Golf MK4 / For Jetta MK3 / For Jetta MK4 / For Lupo / For Passat MK3 / For Passat MK4 / For Polo MK3 / For Polo MK4 / For Touran / For Touareg / For Transporter T3 / For Transporter T4 / For Transporter T5.- Not compatible with: Caddy (2K) / Golf MK5 (1K) / Golf Plus / Jetta MK5 (1K) / Passat MK5 (B6) / Passat MK6 (B6) / Phaeton / Touran (1T)Package includes: 1 * Diagnostic cable 409.1 without switch (FT232 chip)