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Home >> Toyota >> 2017 >> Highlander LE Plus, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (UA80F) - Diagnostic Codes (P0500-31 - P0791-31) (Except Hybrid) >> Automatic Transaxle System >> DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [11/2016 - ] >> Procedure
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DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [11/2016 - ]: Procedure

  1. READ OUTPUT DTC (DTC P062F-44) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2016 - ]

      HINT: 

      Write down the currently output DTCs before clearing them.

      Powertrain > Transmission > Clear DTCs 

    5. Turn the ignition switch off and turn the Techstream off.
    6. Disconnect the Techstream.
    7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
    8. Connect the cable to the negative (-) battery terminal.
    9. Connect the Techstream to the DLC3.
    10. Turn the ignition switch to ON.
    11. Turn the Techstream on.
    12. Enter the following menus: Powertrain / Transmission / Trouble Codes.

      Powertrain > Transmission > Trouble Codes 

    13. Read the DTCs using the Techstream.

      Result

      Result Proceed to
      DTCs are not output A
      DTC P062F-44 is output B

    Result:  1

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

    Result:  2

    See step  2

  2. REPLACE ECM 
    1. Replace the ECM.

      Refer to COMPONENTS [11/2016 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    PERFORM REGISTRATION. Refer to  REGISTRATION [11/2016 - ]