Monitor 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 ECM and front motor generator control ECU send and receive signals via CAN communication (P-bus).

If a communication error occurs between the ECM and front motor generator control ECU, the ECM illuminates the MIL and stores this DTC.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from	Priority	Note
U0110-87	Lost Communication with Drive Motor Control Module "A" Missing Message	All of the following conditions are met for 5.6 seconds or more (1 trip detection logic). Ignition switch ON Auxiliary battery voltage is 10 V or higher No communication between ECM and front motor generator control ECU (P-bus)	CAN communication system Front motor generator control ECU ECM	Comes on	Engine	B	SAE Code: U0110 DTC for Mexico Models: Applies