FORWARD 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

When a malfunction is detected between various ECUs and sensors, these DTCs are stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Lost Communication with ECM / PCM "A" While the vehicle is being driven at 1 km/h or 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 Lost Communication with TCM While the vehicle is being driven at 1 km/h or 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
U0123 Lost Communication with Yaw Rate Sensor Module While the vehicle is being driven at 1 km/h or 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

  • Yaw rate sensor (airbag sensor assembly)

  • Forward recognition camera
U0129 Lost Communication with Brake System Control Module 2 seconds after the ignition switch is turned ON, a communication error between the skid control ECU and the forward recognition camera is detected for approximately 5 seconds or more.

  • CAN communication system

  • Skid control ECU (brake actuator assembly*1 or master cylinder solenoid*2)

  • Forward recognition camera
U0142 Lost Communication with Body Control Module "B" 2 seconds after the ignition switch is turned ON, 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. CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM)


    1. Clear the DTCs.

      Click here

    2. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here

      Result
      Result Proceed to
      DTC U0100, U0101, U0123, U0129 and U0142 are not output A
      DTC U0100, U0101, U0123, U0129 or U0142 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here