LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System - Diagnostic Codes (1 Of 4) >> Automatic Transmission System >> DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [12/2021 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [12/2021 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Transmission > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. READ OUTPUT DTC (DTC P062F-44) 

    Pre-procedure1

    1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
    2. Connect the cable to the negative (-) battery terminal.
    3. Turn the ignition switch to ON.

      Procedure1

    4. Read the DTCs.

      Powertrain > Transmission > Trouble Codes 

      Result

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

      Post-procedure1

    5. None.

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]

    Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [12/2021 - ]

    Result: 

    See step  3

  3. REPLACE TCM 

    HINT: 

    Refer to REMOVAL [12/2021 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [12/2021 - ]