CRUISE CONTROL SYSTEM(for Diesel), Diagnostic DTC:U0100, U0129, U1104

DTC Code DTC Name
U0100 Lost Communication with ECM
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 assembly continues for 1 second or more.

  • ECM

  • CAN communication system

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

  • Skid control ECU assembly

  • CAN communication system

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

  • ECM

  • CAN communication system

  • Driving support ECU assembly

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

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

      OK
      CAN communication system DTC is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here