Dtc U0100 Lost Communication With Ecm

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

DTC U0100 Lost Communication with ECM

DTC U0101 Lost Communication With TCM

DTC U0142 Lost Communication with Main Body ECU

DTC U0155 Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)


DESCRIPTION

When the clearance warning ECU self-diagnosis determines that the CAN communication system is malfunctioning, this DTC is stored.

DTC Code
DTC Detection Condition
Trouble Area
U0100
Lost communication with ECM.
CAN communication system
U0101
Lost communication with TCM.
CAN communication system
U0142
Lost communication with main body ECU (multiplex network body ECU).
CAN communication system
U0155
Lost communication with the Instrument Panel Cluster (IPC) control module.
CAN communication system
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC U0100, U0101, U0142 and U0155 are not output.
    		A
    DTC U0100, U0101, U0142 or U0155 are output (for LHD).
    		B
    DTC U0100, U0101, U0142 or U0155 are output (for RHD).
    		C



B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)