СИСТЕМА КРУИЗ-КОНТРОЛЯ (для моделей с 1WW), Diagnostic DTC:U0100, U0129, U1104

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION

This DTC is output when a communication malfunction occurs between the sensors and ECUs.

DTC Code DTC Detection Condition Trouble Area
U0100 While cruise control is operating, communication stop between ECM and driving support ECU continues for 1 second or more

  • ECM

  • CAN communication system

  • Driving support ECU
U0129 While cruise control is either preparing for operation or operating and ignition switch on, communication stop between brake actuator assembly (skid control ECU) and driving support ECU continues for 1 second or more

  • Brake actuator assembly (skid control ECU)

  • CAN communication system

  • Driving support ECU
U1104 While cruise control is either preparing for operation or operating and ignition switch on, communication stop between driving support ECU and ECM continues for 1 second or more

  • Driving support ECU

  • CAN communication system

  • ECM

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Select "Bus Check" from the "System Select"

    2. Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter"

      OK
      DTC U100, U0129 or U1104 is not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here