LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System (Aga0F) - Diagnostic Codes (1 Of 6) >> Automatic Transmission System >> DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [09/2018 - 10/2020] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [09/2018 - 10/2020]: Procedure

  1. READ OUTPUT DTC (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.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2020]

      HINT: 

      Write down the currently output DTCs before clearing them.

      Powertrain > Transmission > Clear DTCs 

    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 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  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020] 

    Result: 

    See step  2

  2. REPLACE ECM 
    1. Replace the ECM.

      Refer to REMOVAL [09/2018 - 10/2020]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [12/2017 - ]