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ICC (Immobilizer Code Calculator) v1.6.1 is an older software tool used by locksmiths and technicians to calculate 4-digit and 5-digit Secret Key Codes (SKC) for Audi and other VAG vehicles. Key Features of ICC v1.6.1 SKC Calculation

  1. Connect cable to OBD2 port (Turn ignition ON, Engine OFF).
  2. ICC V1.6.1 > "Dashboard" tab.
  3. Select your Dash type (e.g., VDO or Bosch RB4).
  4. Click "Read EEPROM from Dash" (Takes 3-5 minutes).
  5. The software dumps the flash memory and automatically extracts the PIN.

VAG Support: Specifically targets Audi, Volkswagen, Seat, and Skoda models using older immobilizer systems (typically Immo 1, 2, and 3).

How Immobilizers Work

Version 1.6.1 is particularly sought after for two reasons:

: To use this software, you generally need an EEPROM programmer (like a UPA-USB or Xprog) to extract the file from the car's hardware first. Availability

Conclusion

  1. Read the EEPROM from the Audi dashboard using a programmer (like Tachopro 2008).
  2. Save the file as dump.bin.
  3. In ICC, go to "EEPROM" > "Load Dump" .
  4. Select your .bin file.
  5. ICC analyzes the hex data. Look for the line labeled "PIN: XXXX" or "Login: XXXXXXX" .