DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

The ECM and combination meter assembly send and receive signals via CAN communication.

If a communication error occurs between the ECM and combination meter assembly, the ECM illuminates the MIL and stores this DTC.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from	Priority	Note
U0155-87	Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message	All of the following conditions are met for 2.6 seconds or more (1 trip detection logic). Ignition switch ON Battery voltage is 10 V or higher No communication between ECM and combination meter assembly	CAN communication system Combination meter assembly ECM	Comes on	Engine	B	SAE Code: U0155 DTC for Mexico Models: Does not apply