Feature: 1. Fitment: Fit for A2 A3 A4 Cabriolet A6 A8 S2 S3 TT; Fit for Fabia Felicia Octavia MK 1 MK 2 Superb; Fit for Alhambra Altea Arosa Cordoba Ibiza Inca Leon MK 1 Leon MK 2 Toledo. 2. High Reliability: Car diagnostic cable adopts advanced diagnostic technology, which can read and transmit vehicle data stably and ensure accuracy and reliability. 3. 4 Way ECUs Access: The cable has 4 way to switch to different ECUs access, engine ECU (read or clear engine failure), AB ECU (read or remove AB failure), ABS (read or erase fault code) and ESP ECU (read or clear fixed fault) 4. Durable Material: USB diagnostic cable is made of ABS material, which has high durability and shock resistance, and can operate stably under various complex environmental conditions. 5. Easy to Use: OBD2 diagnostic cable is easy and convenient to operate, no excessive professional knowledge and skills are required to complete vehicle diagnosis and data transmission. Specification: Item Type: OBD2 Car Diagnostic Cable Material: ABS With Real and Best for FTDI FT232RL Chip: 4 way to switch to different ECUs access: Position 1 = engine ECU (read or clear engine failure) Position 2 = AB ECU (read or remove AB failure) Position 3 ECU = ABS (read or erase fault code) Position 4 = ESP ECU (read or clear fixed fault) Compatible Vehicles: Replacement for seat 1.For Models: Fit for A2 A3 A4 Cabriolet A6 A8 S2 S3 TT Not Compatible: for 80 100 200 A3(8P) A4(B7) A6(C6 4F) A8 A8L(D3 4E) Q7 2. Replacement for SEAT Models: Fit for Alhambra Altea Arosa Cordoba Ibiza Inca Leon MK 1 Leon MK 2 Toledo Not Compatible: Altea (5P) Leon (1P) Toledo (5P) 3. Models: Fit for Fabia Felicia Octavia MK 1 MK 2 Superb Not Compatible: for Octavia (1Z) 4.For Models: Compatible: for Bora, for Caddy, for Corrado, for MK2 MK3 MK4, for Transporter T3 T4 T5. Not Compatible: for Caddy (2K), MK5 (1K), for MK5 (B6) MK6 (B6). Package List: 1 x OBD2 Car Diagnostic Cable1 x CD Note: 1. Only suitable for Windows XP, for Windows 72. The CD is very easy broken during transport, please contact me send you the download link, do not open dispute or any negative feedback, thanks3. 409 is for group car, it does not support other brands of cars.4. ch340t chip without switch.