Toyota Venza manuals

Toyota Venza: Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)

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

U0073

Control module communication bus off

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 (driver side junction block assembly)

CAN communication system

U0182

Lost communication with AFS ECU (headlight swivel ECU assembly)

CAN communication system

U1000

Can communication failure (message registry)

CAN communication system

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page ).


(b) Check for DTCs (See page ).


OK:

DTCs are not output.


OK

USE SIMULATION METHOD TO CHECK


NG

GO TO CAN COMMUNICATION SYSTEM

Light Sensor Circuit Malfunction (B1244)
DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (driver side junction block assembly). The main bo ...

Automatic High Beam Mirror (B124A)
DESCRIPTION The DTC is stored when the main body ECU (driver side junction block assembly) detects malfunctions in the inner rear view mirror assembly. DTC No. DTC Detection ...

Other materials about Toyota Venza:

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected. System Name See Procedure ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CONNECT TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Start the engine and run it at idle. (c) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test. HINT: Refer to the Techstream operator's manu ...

Trailer towing
Your vehicle is designed primarily as a passenger-and-load-carrying vehicle. Towing a trailer can have an adverse impact on handling, performance, braking, durability, and fuel consumption. For your safety and the safety of others, you must not overload ...

© 2016-2026 Copyright www.tovenza.com

0.1549