VAG EEPROM Programmer V1.20 is a specialized Windows-based software utility designed to read, edit, and write the EEPROM data of electronic control units (ECUs), immobilizers, and instrument clusters (dashboards) in Volkswagen, Audi, Seat, and Skoda vehicles.
Download the official virtual COM port (VCP) drivers directly from the FTDI Chip official website rather than using drivers bundled in unknown forum packages. Step-by-Step Configuration Guide
: Easily extract a raw .bin file backup of your cluster or ECU memory and write it back after modifications. Vag Eeprom Programmer V1.20 Download
Volkswagen Golf Mk4, Skoda Octavia A4 (Tour, Superb 1), Fabia Mk1, Passat B5/B5+, Audi A2/A3/A4 B5, Seat Leon Mk1, and similar models from the 1997–2003 production years.
The Vag Eeprom Programmer is a software tool used to read and write data to the EEPROM (Electrically Erasable Programmable Read-Only Memory) of various Volkswagen Group (VAG) vehicles' control units, such as ECUs (Engine Control Units), TCUs (Transmission Control Units), and other modules. VAG EEPROM Programmer V1
For reading an immobiliser PIN, the process is similar: read the EEPROM dump from the instrument cluster or immobiliser box, and the software automatically decodes and displays the login code.
: Modifies or extracts data directly from embedded Bosch, Motometer, and Marelli immobilizer modules. Volkswagen Golf Mk4, Skoda Octavia A4 (Tour, Superb
Verify your COM port assignment in Device Manager matches the software options. Ensure your latency timer is set to 1ms. Verify the vehicle's ignition is turned on. "Rx Timeout" or "Checksum Error" Cause: Signal interference or low voltage.
Ensure your laptop battery is charged and that the car battery is healthy. Voltage fluctuations during writing can cause corruption.
The software typically requires the cable to be assigned to COM1 through COM4 in the Windows Device Manager.
To access the files securely, retrieve the package via Google Drive. Reading a Dump File Plug the KKL cable into the PC and the vehicle's OBD2 port. Switch the vehicle ignition to the position. Open the program executable. Select the correct COM Port from the internal Options menu. Click Dash on the top toolbar and select Read EEPROM . Choose File -> Save As to generate a local backup file. Reading a Secret Key Code (SKC)