LIGHTING SYSTEM, Diagnostic DTC:U0073, U0100, U0101, U0126, U0129, U0130, U0132, U0142, U0155

DTC Code DTC Name
U0073 Control Module Communication Bus OFF
U0100 Lost Communication with ECM / PCM "A"
U0101 Lost Communication With TCM
U0126 Lost Communication With Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0130 Lost Communication with Steering Effort Control Module
U0132 Lost Communication with Suspension Control ECU
U0142 Lost Communication with Body Control Module "B"
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module

DESCRIPTION

These DTCs are stored when the CAN communication system is malfunctioning.

DTC Code DTC Detection Condition Trouble Area
U0073 Lost communication with CAN communication line CAN communication system
U0100 Lost communication with ECM

  • CAN communication system

  • ECM
U0101 Lost communication with TCM

  • CAN communication system

  • ECM (for A760H Automatic Transmission)

  • TCM (for AA81E Automatic Transmission)
U0126 The headlight ECU sub-assembly LH is unable to receive certain data from the spiral cable sub-assembly (steering angle sensor) for 10 seconds or more.

  • CAN communication system

  • Spiral with sensor cable sub-assembly
U0129 Lost communication with brake actuator assembly (skid control ECU)

  • CAN communication system

  • Brake actuator assembly (skid control ECU)
U0130 The headlight ECU sub-assembly LH is unable to receive certain data from the steering control ECU for 10 seconds or more.

  • CAN communication system

  • Steering control ECU
U0132 The headlight ECU sub-assembly LH is unable to receive certain data from the suspension control ECU for 5 seconds or more.

  • CAN communication system

  • Suspension control ECU
U0142 Lost communication with main body ECU (multiplex network body ECU)

  • CAN communication system

  • Main body ECU (multiplex network body ECU)
U0155 Lost communication with combination meter assembly

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. Check for DTCs Click here.

      OK
      DTCs are not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here