TOYOTA PARKING ASSIST-SENSOR SYSTEM(for 8 Sensor Type), Diagnostic DTC:U0100, U0101, U0142, U0155

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0101 Lost Communication with ECM
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 clearance warning ECU assembly cannot receive and recognize certain signals via the CAN communication system.

DTC No. Detection Item Trouble Area
U0100 Lost Communication with ECM / PCM "A" CAN communication system
U0101 Lost Communication with ECM CAN communication system
U0142 Lost Communication with Body Control Module "B" CAN communication system
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module CAN communication system

Tech Tips

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here

    2. Check for DTCs.

      Click here

      Result
      Result Proceed to
      CAN communication system DTCs are output (for LHD) A
      CAN communication system DTCs are output (for RHD) B
      CAN communication system DTCs are not output C

    A

    GO TO CAN COMMUNICATION SYSTEM Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    USE SIMULATION METHOD TO CHECK Click here