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:

Rear seats
Seatback angle adjustment lever Pull up the lever until the lock is completely released. Folding down the rear seatbacks  - Before folding down the rear seatbacks Stow the seat belt buckles and lower the head restraints to the lowest position. ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

Registered Device cannot be Deleted
PROCEDURE 1. DELETE OPERATION (a) Check if a registered portable player can be deleted normally. OK: Registered portable player can be deleted normally. OK END NG PROCEED TO ...

© 2016-2023 Copyright www.tovenza.com

0.1699