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Home >> Toyota >> 2023 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (K120) - Diagnostic Codes (1 Of 5) >> K120 Continuously Variable Transaxle System >> DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [06/2018 - 09/2024] >> Procedure
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DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [06/2018 - 09/2024]: Procedure

  1. CHECK DTC OUTPUT (DTC P062F-44) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    5. Turn the engine 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 engine switch on (IG).
    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: 

    CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [06/2018 - 09/2024]

    Result: 

    See step  2

  2. REPLACE TCM 
    1. Replace the TCM.

      Refer to COMPONENTS [06/2018 - 01/2019] , or refer to COMPONENTS [01/2019 - 03/2019] , or refer to COMPONENTS [03/2019 - 09/2024]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM REGISTRATION AND INITIALIZATION 

    for Registration: Refer to REGISTRATION [06/2018 - 09/2024]

    for Initialization: Refer to INITIALIZATION [06/2018 - 09/2022] , or refer to INITIALIZATION [09/2022 - 11/2022] , or refer to INITIALIZATION [11/2022 - 09/2024]