Dtc U0100 Lost Communication With Ecm / Pcm A

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Meter Gauge Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

DTC U0100 Lost Communication with ECM / PCM "A"


DESCRIPTION

The combination meter communicates with the ECM via the CAN line.

DTC Code
DTC Detection Condition
Trouble Area
U0100
When the vehicle speed is 5 km/h (3 mph) or more and IG voltage is 10.5 V or more while no communication with the ECM continues for 3 seconds or more (no communication with the ECM or skid control ECU continues for 60 seconds or more).
CAN communication system

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Meter Gauge Display.Meter / Gauge System. Dtc U0100 Lost Communication With Ecm / Pcm A


INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Check for DTCs and note any codes that are output (Click here).

  1. Clear the DTCs (Click here).

  1. Recheck for DTCs (Click here).

    Result
    Result
    		Proceed to
    CAN communication system DTC is not output
    		A
    CAN communication system (for LHD) DTC is output
    		B
    CAN communication system (for RHD) DTC is output
    		C
    HINT:
    If CAN communication system DTC U0100 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100 first.


B
Go to CAN COMMUNICATION SYSTEM (Click here)

C
Go to CAN COMMUNICATION SYSTEM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)