2020 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE

AT Learning Mode

NOTE: AT learning mode is performed with the vehicle lifted, without actually running the vehicle.
  1. On [Start] screen, select [Diagnosis].
  2. On [Vehicle selection] screen, enter vehicle information and select [Set].
  3. On [Main Menu] screen, select [Each System].
  4. On [Select System] screen, select [Transmission Control System].
  5. On [Select Function] screen, select [Work Support].
  6. On [Work Support] screen, select [AT learning mode].
  7. Follow the messages displayed on the screen when working.
  8. When [AT learning normally ended.] is displayed, AT learning mode is completed.
    NOTE:
    • If communication error occurs during learning, retry the "AT learning mode" from the beginning.
    • If the message [Execute AT learning again after fixing troubles of the vehicle] is displayed during learning, select [OK] to display the List of Diagnostics Trouble Code. After repairing the locations indicated by the DTC, start the "AT learning mode" over from the beginning.
    • When communication error occurs during learning, select lever does not shift occasionally. If select lever does not shift, turn the ignition switch to OFF before operating the select lever.
    • If the message [AT learning ended abnormally. Try again from the beginning.] is displayed, start the "AT learning mode" over from the beginning.
    Display Main causes for abnormal termination
    [AT learning ended abnormally. Try again from the beginning.]
    • Fault is detected during AT learning.
    • The accelerator pedal is depressed during AT learning.
    • An unspecified operation was performed during AT learning
    • ATF temperature becomes out of specification during AT learning.
    • Battery voltage is low.
    • The malfunction indicator light is lit.
    • Parking brake is not applied hard enough.
    • Brake pedal is not fully depressed.
    • Abnormal idle speed increase, etc.
Factory Service Tools

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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.

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