Dtc U0100 Lost Communication With Ecm / Pcm A

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Heating Air Conditioning. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0131 Lost Communication with Electric Power Steering ECU

DTC U0142 Lost Communication with Body Control Module "B"

DTC U0151 Lost Communication with Airbag ECU

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


DESCRIPTION

The air conditioning amplifier assembly communicates with the ECM and meter ECU through the CAN communication system.

DTC Code
DTC Detection Condition
Trouble Area
U0100
No communication with ECM
  1. CAN communication system
  2. ECM
  3. Air conditioning amplifier assembly
U0131
No communication with power steering ECU
  1. CAN communication system
  2. Power steering ECU
  3. Air conditioning amplifier assembly
U0142
No communication with main body ECU (multiplex network body ECU)
  1. CAN communication system
  2. Main body ECU (multiplex network body ECU)
  3. Air conditioning amplifier assembly
U0151
No communication with airbag sensor assembly
  1. CAN communication system
  2. Airbag sensor assembly
  3. Air conditioning amplifier assembly
U0155
No communication with combination meter assembly
  1. CAN communication system
  2. Combination meter assembly
  3. Air conditioning amplifier assembly

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Use the GTS to check if the CAN communication system is functioning normally.

    1. for LHD: Click here.
    2. for RHD: Click here.
    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD)
    		B
    CAN DTC is 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)