PARKING ASSIST MONITOR SYSTEM, Diagnostic DTC:U0073,U0100,U0126,U0129,U0140,U0155 and U1114

DTC Code DTC Name
U0073 Control Module Communication Bus Off
U0100 Lost Communication with ECM
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0140 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter
U1114 Lost Communication with Main Switch Module

DESCRIPTION

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

Tip:

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0073

Control Module Communication Bus Off

Control module communication bus off

CAN communication system

U0100

Lost Communication with ECM

Lost communication with ECM

CAN communication system

U0126

Lost Communication with Steering Angle Sensor Module

Lost communication with steering angle sensor

CAN communication system

U0129

Lost Communication with Brake System Control Module

Lost communication with brake system

CAN communication system

U0140

Lost Communication with Main Body ECU

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

CAN communication system

U0155

Lost Communication with Combination Meter

Lost Communication with Combination Meter

CAN communication system

U1114

Lost Communication with Main Switch Module

Lost communication with main switch module

CAN communication system

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Clear DTCs

      Body Electrical > Main Body > Clear DTCs

    2. Check for DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Trouble Codes

      Body Electrical > Main Body > Trouble Codes

      Result

      Result

      Proceed to

      No DTC is output

      A

      DTC is output

      B

      Tip:
      • 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

    A

    USE SIMULATION METHOD TO CHECK

    B

    GO TO CAN COMMUNICATION SYSTEM