POWER BACK DOOR SYSTEM, Diagnostic DTC:U0101, U0122, U0142, U0155, U1114, U1117

DTC Code DTC Name
U0101 Lost Communication With TCM
U0122 Lost Communication with Vehicle Dynamics Control Module
U0142 Lost Communication with Body Control Module "B"
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U1114 Lost Communication with Main Switch Module
U1117 Lost Communication with Accessory Gateway

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No. Detection Item Trouble Area
U0101 Lost Communication With TCM
  • CAN communication system

  • ECM

  • Multiplex network door ECU

U0122 Lost Communication with Vehicle Dynamics Control Module
  • CAN communication system

  • Brake actuator assembly (skid control ECU)

  • Multiplex network door ECU

U0142 Lost Communication with Body Control Module "B"
  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Multiplex network door ECU

U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
  • CAN communication system

  • Combination meter assembly

  • Multiplex network door ECU

U1114 Lost Communication with Main Switch Module
  • CAN communication system

  • Combination meter assembly

  • Multiplex network door ECU

U1117 Lost Communication with Accessory Gateway
  • CAN communication system

  • Bus buffer ECU

  • Multiplex network door ECU

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Back Door > Clear DTCs
    2. Check for DTCs.

      Click here


      Body Electrical > Back Door > Trouble Codes
      OK
      DTC (CAN communication system DTC) is not output
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A
    B
    C