Open Windows and find the cable under "Ports (COM & LPT)".
In the software menu, select your specific cluster manufacturer type (e.g., VDO or RB4) from the top dropdown selection box. Click on Read EEPROM .
It works most reliably with dashboard clusters manufactured by VDO, Bosch, and MotoMeter (RB4/RB8 systems) .
: Typically requires a cheap KKL VAG-COM 409.1 USB interface (often FTDI-based) to connect to the vehicle's OBD-II port.
Ultimate Guide to VAG EEPROM Programmer V1.20: Top Download, Features, and Setup
The (often searched as V1.20) is a highly reliable, free Windows utility used by automotive technicians to read, edit, and write EEPROM data from Volkswagen Audi Group (VAG) vehicles via the OBD2 port.
RB4 and RB8 series (found in Audi A4/S4/RS4 B6 and B7 platforms).
Allows you to read the secret pin code needed to program new keys, which is vital for immobilizer systems.
⚠️ This tool is NOT compatible with newer CAN-Bus or UDS-based VAG models starting from roughly 2004 onward (e.g., Golf Mk5/6/7, Passat B6/B7/B8, Skoda Octavia A5). Hardware Requirements
Let’s assume you have a with a dead cluster. Here is the workflow for a "Top" performance read/write.
If you are trying to work on a vehicle , VAG EEPROM Programmer v1.20 is a legendary and effective tool that has helped countless enthusiasts. For anything newer, it's not the right solution. Be persistent in your search, always take precautions when downloading software, and double-check that your car is on the compatible list before you begin.
: Easily find your 4-digit or 5-digit Login/PIN code for key programming. Mileage Adjustment