DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [08/2015 - 09/2018]: Procedure
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus IS 300, 2023 Lexus IS 300, 2022 Lexus IS 300, 2021 Lexus IS 300, and 2020 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- READ OUTPUT DTC (DTC P062F-44)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [08/2015 - ]
HINT:
Write down the currently output DTCs before clearing them.
Powertrain > Transmission > Clear DTCs
- Turn the engine switch off and turn the Techstream off.
- Disconnect the Techstream.
- Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
- Connect the cable to the negative (-) battery terminal.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Transmission / Trouble Codes.
Powertrain > Transmission > Trouble Codes
- Read 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 [08/2015 - 10/2016] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2016 - 10/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 09/2020]
Result:
B
See step 2
- REPLACE ECM
- Replace the ECM.
Refer to COMPONENTS [08/2015 - ]
Result
Proceed to NEXT
Result:
NEXT
PERFORM A/T CODE REGISTRATION. Refer to REGISTRATION [08/2015 - ]
- Replace the ECM.