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

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