If flashing or reading the EEPROM, ensure your power supply provides a steady 13.5V - 14V . Dropping below 12V during a write can "brick" the unit.
For data, he located the K-Line at Pin 7 of the diagnostic connector, the single wire that would allow his Julie Emulator to "speak" to the unit and disable the security lock. bosch me20 pinout verified
Note: Always confirm your specific ECU part number (e.g., 0 261 204 192) – but 90% of ME20 variants follow this layout. If flashing or reading the EEPROM, ensure your