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:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 3 ANTENNA CORD SUB-ASSEMBLY 2. INSTALL ROOF HEADLINING ASSEMBLY HINT: Refer to the procedure from Install Roof Headlining Assembly (See page ). 3. INSTALL REAR WIPER MOTOR AND BRACKET ASSEMBLY 4. INSTALL REAR ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful bec ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WHEELS 2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH (a) Remove the 2 nuts and front stabilizer link assembly LH. HINT: If the ball joint turns together with the nut, use a hexagon wrench (6 mm) to hold ...

© 2016-2025 Copyright www.tovenza.com

0.14