PARKING ASSIST MONITOR SYSTEM, Diagnostic DTC:U0073, U0126, U0129, U0140, U0293

DTC Code DTC Name
U0073 Control Module Communication Bus Off
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0140 Lost Communication with Main Body ECU
U0293 Lost Communication with HV ECU

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU.

Tech Tips

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 main body ECU (multiplex network body ECU)
U0293 Lost communication with HV ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

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

      Tech Tips


      • If CAN communication system DTCs are stored, they may also be stored in other systems.

      • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.

      • 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