2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Start count writing SSM to ECU

  1. On [Start] screen, select [Diagnosis].
  2. On [Select Vehicle] screen, enter vehicle information and select [Confirmed].
  3. On [Main Menu] screen, select [Each System].
  4. On [Select System] screen, select [Transmission].
  5. On [Select Function] screen, select [Work Support].
  6. On [Work Support item] screen, select [Start count writing SSM to ECU].
  7. On [Writing cannot be executed without engine off Start writing of Auto Start Stop unit specifications information?] screen, click the [Yes] button.
  8. On [Confirm that the input information in the Comment column refers to the object vehicle.] screen, click the [OK] button.
  9. On saved file selection screen, open the suitable Auto Start Stop file.
    NOTE: Make sure that identification information in the comment column refers to the object vehicle so as not to select a wrong file.
  10. On [Register?] screen, click the [OK] button.
  11. On [Registration completed.] screen, click the [OK] button to end the start count writing. The display returns to [Work Support item] screen.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.