DTC P062F-46: Hybrid/EV Powertrain Control Module EEPROM Calibration / Parameter Memory Failure [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

The hybrid vehicle control ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate	DTC Output from	Priority	Note
P062F-46	Hybrid/EV Powertrain Control Module EEPROM Calibration / Parameter Memory Failure	Either of the following conditions is met: ECU internal malfunction (EEPROM error) The ignition switch is turned off when the auxiliary battery voltage is 9.5 V or less. (1 trip detection logic)	Hybrid vehicle control ECU assembly Auxiliary battery	Comes on	Master Warning: Comes on	Hybrid Control	A	SAE Code: P062F