Toyota Venza manuals

Toyota Venza: Lost Communication with ECM / PCM "A" (U0100,U0129)

Toyota Venza Service Manual / Power Assist Systems / Power Steering System / Lost Communication with ECM / PCM "A" (U0100,U0129)

DESCRIPTION

The power steering ECU receives signals from the ECM and the brake actuator assembly (skid control ECU) via the CAN communication system.

DTC No.

DTC Detection Condition

Trouble Area

U0100

Lost communication with ECM/PCM "A"

  • CAN communication system
  • ECM

U0129

Lost communication with brake system control module

  • CAN communication system
  • Brake actuator assembly (Skid control ECU)

PROCEDURE

1.

CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs (See page ).


(b) Check for DTCs (See page ).


OK:

DTC is not output.


OK

CHECK INTERMITTENT PROBLEMS


NG

GO TO CAN COMMUNICATION SYSTEM

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK STEERING EFFORT (TORQUE) NOTICE: Some of these service operations may affect the SRS airbags. Read the precautionary notices concerning the SRS airbag sy ...

Assist Map Number Mismatch (C1582)
DESCRIPTION When an incorrect ECM or brake actuator assembly (skid control ECU) is installed after the assist map has been recorded in the power steering ECU, then DTC C1582 is stored because the ...

Other materials about Toyota Venza:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the clearance sonar main switch on. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Intuitive P/A / DTC. (f) ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR SEAT INNER BELT ASSEMBLY LH (a) Install the rear seat inner belt assembly LH with the bolt. Text in Illustration *1 Protruding Part Torque: 42 NÂ ...

Occupant Classification Sensor Power Supply Circuit Malfunction (B1793)
DESCRIPTION The occupant classification sensor power supply circuit consists of the occupant classification ECU and occupant classification sensors. DTC B1793 is recorded when a malfunction is detected in the occupant classification sensor power supply c ...

© 2016-2025 Copyright www.tovenza.com

0.1432