POWER BACK DOOR SYSTEM, Diagnostic DTC:U0100, U0122, U0155, U0327, U1117

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0122 Lost Communication With Vehicle Dynamics Control Module
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0327 Software Incompatibility with Vehicle Security Control 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
U0100 Lost Communication with ECM / PCM "A"

  • 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
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module

  • CAN communication system

  • Combination meter assembly

  • Multiplex network door ECU
U0327 Software Incompatibility with Vehicle Security Control Module

  • CAN communication system

  • Certification ECU (smart key ECU 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
      Proceed to
      OK
      NG (for LHD)
      NG (for RHD)

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG (for LHD)

    GO TO CAN COMMUNICATION SYSTEM Click here

    NG (for RHD)

    GO TO CAN COMMUNICATION SYSTEM Click here