Checksum calc

Download link for checksum corrector. Works with MSA15, EDC15, EDC16,ME7 and other ecus.

How it works.

  1. Open rar file
  2. Run ultimo.exe
  3. Load file that you have made
  4. Click Check and take original file
  5. Then Save file.
  6. You are ready to write it to ecu


Download now!