LIGHTING (EXT): LIGHTING SYSTEM: U0101,U0126,U0129,U0142,U0182; Lost Communication with ECM; 2016 - 2017 MY Sienna [12/2015

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000VKI2
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - 11/2017]
Title: LIGHTING (EXT): LIGHTING SYSTEM: U0101,U0126,U0129,U0142,U0182; Lost Communication with ECM; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

U0101

Lost Communication with ECM

DTC

U0126

Lost Communication with Steering Angle Sensor Module

DTC

U0129

Lost Communication with Skid Control ECU

DTC

U0142

Lost Communication with Main Body ECU

DTC

U0182

Lost Communication with AFS ECU

DESCRIPTION

The DTCs are stored when the CAN communication system is malfunctioning.

DTC No.	DTC Detection Condition	Trouble Area
U0101	Lost communication with ECM	CAN communication system
U0126	Lost communication with steering angle sensor	CAN communication system
U0129	Lost communication with skid control ECU	CAN communication system
U0142	Lost communication with main body ECU	CAN communication system
U0182	Lost communication with AFS ECU (headlight swivel ECU assembly)	CAN communication system

1.	CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

OK:

DTCs are not output.

USE SIMULATION METHOD TO CHECK

(See page )

GO TO CAN COMMUNICATION SYSTEM

(See page )