Simos immo tool

This tool allows you to disable the immobilizer on a SIMOS 18 or SIMOS 12 ECU. The cost is 15 credits.

  1. Read the ECU in boot mode.
  2. Upload the file here.
  3. Checksum and write file to ECU in boot mode.
  4. (optional) Unlock the ECU for OBD writing with tool of your choice (flash any modification via OBD protocol on bench with boot pin disconnected).
  5. (optional) Read the ECU again in boot mode.
  6. (optional) Transfer the changes to the boot file, or upload the file here again, you will not be charged again for the same file number and ecu.
  7. (optional) Checksum and write file to ECU in boot mode. Now you can write the ECU with your tool OBD without losing immo off.
Make sure you use the full file from the actual ECU that you want to immo off!

First, enter your API Key:
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