FRONT RECOGNITION CAMERA SYSTEM, Diagnostic DTC:U0100, U0101, U0123, U0129, U0142

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0101 Lost Communication with TCM
U0123 Lost Communication with Yaw Rate Sensor Module
U0129 Lost Communication with Brake System Control Module
U0142 Lost Communication with Body Control Module "B"

DESCRIPTION

These DTCs are output when a communication malfunction occurs between the sensors and ECUs.

DTC No. DTC Detection Condition Trouble Area
U0100 While the vehicle is being driven at 1 km/h (1 mph) or more, a communication error between the ECM and the forward recognition camera is detected for approximately 5 seconds or more.
  • CAN communication system

  • ECM

  • Forward recognition camera

U0101 While the vehicle is being driven at 1 km/h (1 mph) or more, a communication error between the TCM and the forward recognition camera is detected for approximately 5 seconds or more.
  • CAN communication system

  • TCM

  • Forward recognition camera

U0123 While the vehicle is being driven at 1 km/h (1 mph) or more, a communication error between the yaw rate sensor and the forward recognition camera is detected for approximately 5 seconds or more.
  • CAN communication system

  • Airbag sensor assembly (yaw rate and acceleration sensor)

  • Forward recognition camera

U0129 While the engine switch is on (IG), a communication error between the skid control ECU and the forward recognition camera is detected for approximately 5 seconds or more.
  • CAN communication system

  • Brake actuator assembly (Skid control ECU)

  • Forward recognition camera

U0142 While the engine switch is on (IG), a communication error between the main body ECU (multiplex network body ECU) and the forward recognition camera is detected for approximately 5 seconds or more.
  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Forward recognition camera

PROCEDURE


  1. READ VALUE USING GTS (CAN BUS CHECK)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: System Select / Can Bus Check.

      Result
      Result Proceed to
      All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A
      None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B
    5. Turn the engine switch off.


    B
    A
  2. CHECK DTC OUTPUT (FRONT RECOGNITION CAMERA SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.

    5. Clear DTCs Click here.

    6. Turn the engine switch off.


    NEXT
  3. CHECK CAN COMMUNICATION SYSTEM


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Enter the following menus: System Select / Can Bus Check.

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

      OK
      CAN communication system is normal.
    5. Turn the engine switch off.


    OK
    NG