DTC P0A93-00: Inverter "A" Cooling System Performance [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the system description for the Cooling System.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate	DTC Output from	Priority	Note
P0A93-00	Inverter "A" Cooling System Performance	Inverter coolant temperature increases as well as the temperature of any hybrid motor control inverter assembly related parts due to an inverter cooling system malfunction. When the actual temperature of the inverter coolant is higher than the sensor value by a certain value or more and the actual temperature is high. (1 trip detection logic)	Inverter cooling system Inverter water pump assembly Hybrid motor control inverter assembly Cooling fan system Wire harness or connector Grille shutter system	Comes on	Master Warning: Comes on	Hybrid Control	A	SAE Code: P0A93