DTC P062F-44: Hybrid/EV Powertrain Control Module EEPROM Data Memory Failure [08/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (HEALTH CHECK)
Pre-procedure1
- According to the display on the GTS, select "Health Check".
Procedure1
- Check for DTCs.
Result
Result Proceed to P062F-44 is output from the hybrid control system. A P062F-44 is output from any system other than the hybrid control system. B Post-procedure1
- Turn the ignition switch off.
Result:
A
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to REMOVAL [10/2022 - ]
Result:
B
GO TO PERFORM DIAGNOSIS FOR RESPECTIVE SYSTEM
- According to the display on the GTS, select "Health Check".