POWER BACK DOOR SYSTEM, Diagnostic DTC:U0101, U0122, U0142, U0155, U0327, 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
U0327 Lost Communication with Vehicle Security Control Module
U1117 Lost Communication with Accessory Gateway

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
U0101 Lost Communication With TCM Communication malfunction detected between multiplex network door ECU and ECM

  • CAN communication system

  • ECM

  • Multiplex network door ECU
U0122 Lost Communication with Vehicle Dynamics Control Module Communication malfunction detected between multiplex network door ECU and brake actuator assembly (skid control ECU)

  • CAN communication system

  • Brake actuator assembly (skid control ECU)

  • Multiplex network door ECU
U0142 Lost Communication with Body Control Module "B" Communication malfunction detected between multiplex network door ECU and main body ECU (multiplex network body ECU)

  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Multiplex network door ECU
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Communication malfunction detected between multiplex network door ECU and combination meter assembly

  • CAN communication system

  • Combination meter assembly

  • Multiplex network door ECU
U0327 Lost Communication with Vehicle Security Control Module Communication malfunction detected between multiplex network door ECU and certification ECU (smart key ECU assembly)

  • CAN communication system

  • Certification ECU (smart key ECU assembly)

  • Multiplex network door ECU
U1117 Lost Communication with Accessory Gateway Communication malfunction detected between multiplex network door ECU and bus buffer ECU

  • 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
      Result
      Result Proceed to
      CAN DTCs are not output A
      CAN DTCs are output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here