POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129, U023A, U1110

DTC Code	DTC Name
U0100	Lost Communication With ECM/PCM "A"
U0129	Lost Communication with Brake System Control Module
U023A	Lost Communication with Front Camera Module
U1110	Lost Communication with Clearance Sonar Module

DESCRIPTION

The power steering ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly), forward recognition camera (w/ Toyota Safety Sense) and clearance warning ECU assembly (w/ Simple Intelligent Parking Assist System) via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Return-to-normal Condition	Note
U0100	Lost Communication With ECM/PCM "A"	Lost communication with ECM	CAN communication system ECM	EPS warning light: Does not come on	The ECU judges the system has returned to normal or the ignition switch is turned ON again	-
U0129	Lost Communication with Brake System Control Module	Lost communication with skid control ECU (brake actuator assembly)	CAN communication system Skid control ECU (brake actuator assembly)	EPS warning light: Comes on	The ECU judges the system has returned to normal or the ignition switch is turned ON again	-
U023A	Lost Communication with Front Camera Module	Lost communication with forward recognition camera	CAN communication system Forward recognition camera	EPS warning light: Does not come on	The ECU judges the system has returned to normal or the ignition switch is turned ON again	w/ Toyota Safety Sense
U1110	Lost Communication with Clearance Sonar Module	Lost communication with clearance warning ECU assembly	CAN communication system Clearance warning ECU assembly	EPS warning light: Does not come on	The ECU judges the system has returned to normal or the ignition switch is turned ON again	w/ Simple Intelligent Parking Assist System

PROCEDURE

GO TO CAN COMMUNICATION SYSTEM

Go to CAN communication system.

Click here

Result

Proceed to
NEXT

END