TOYOTA PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:U0100,U0101,U0142 and 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
Tip:

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 hereClick hereClick here