Dtc U0073 Control Module Communication Bus A Off

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

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

DTC U0073 Control Module Communication Bus "A" Off

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0114 Lost Communication with 4WD Control ECU

DTC U0124 Lost Communication with Lateral Acceleration Sensor Module

DTC U0126 Lost Communication with Steering Angle Sensor Module

DTC U0129 Lost Communication with Brake System Control Module

DTC U0130 Lost Communication with Steering Effort Control Module

DTC U0140 Lost Communication with Body Control Module

DTC U1110 Lost Communication with Clearance Sonar Module


DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU.
HINT:
If CAN communication system DTCs are stored, they may also be stored in other systems.

DTC Code
DTC Detection Condition
Trouble Area
U0073
Control module communication bus off
CAN communication system
U0100
Lost communication with ECM
U0114
Lost communication with 4WD Control ECU
U0126
Lost communication with steering angle sensor
U0129
Lost communication with brake actuator assembly (skid control ECU)
U0130
Lost communication with VGRS
U0140
Lost communication with main body ECU
U1110
Lost communication with clearance warning ECU assembly

INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    OK:
    U0073, U0100, U0114, U0126, U0129, U0130, U0140 or U1110 is not output.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for LHD with Central Gateway ECU)
    		B
    NG (for RHD with Central Gateway ECU)
    		C
HINT:
  1. If CAN communication system DTCs are stored, they may also be stored in other systems.
  2. If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
  3. If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs (Click here).


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)