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HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 167 (AUTOMATIC TRANSAXLE SYSTEM (UB80E) - DIAGNOSTIC CODES (1 OF 3))AUTOMATIC TRANSAXLE SYSTEMDTC P062F-44: INTERNAL CONTROL MODULE EEPROM DATA MEMORY FAILURE [11/2018 - ]PROCEDURE
2020 Toyota RAV4 XLE, AWD

DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [11/2018 - ]: Procedure

2020 Toyota RAV4 XLE, AWDSECTION Procedure
WARNING: This page is about a different variant/trim than selected.
  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.

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    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: 

    A 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    B 

    See step  2

  2. REPLACE ECM 
    1. Replace the ECM.

      Refer to REMOVAL [11/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM REGISTRATION. Refer to  REGISTRATION [11/2018 - ] 

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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.