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

      DTCs U0101, U0122, U0142, U0155, U1114 or U1117 are not output

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM

    for LHD:Click here

    for RHD:Click here