DTC    U0073    Control Module Communication Bus Off

DTC    U0126    Lost Communication with Steering Angle Sensor Module

DTC    U0129    Lost Communication with Brake System Control Module

DTC    U0140    Lost Communication with Body Control Module

DTC    U1110    Lost Communication with Clearance Sonar Module

for Preparation Click here


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 No.
DTC Detection Condition
Trouble Area
U0073
Control module communication bus off
CAN communication system
U0126
Lost communication with steering angle sensor
U0129
Lost communication with brake system
U0140
Lost communication with body control module (multiplex network body ECU)
U1110
Lost communication with Clearance Sonar Module

INSPECTION PROCEDURE

1.CHECK DTC OUTPUT

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result:
    Result
    		Proceed to
    DTC is output
    		A
    No DTC is output
    		B

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
USE SIMULATION METHOD TO CHECK (Click here)
A

GO TO CAN COMMUNICATION SYSTEM (Click here)