NAVIGATION SYSTEM(for HDD), Diagnostic DTC:U0073,U0100,U0126,U0155,U0164 and U1110

DTC Code DTC Name
U0073 Control Module Communication Bus Off
U0100 Lost Communication with ECM
U0126 Lost Communication with Steering Angle Sensor Module
U0155 Lost Communication with Combination Meter
U0164 Lost Communication with A/C ECU
U1110 Lost Communication with Clearance Warning ECU

DESCRIPTION

These DTCs are stored when a CAN communication circuit malfunction is detected by the display and navigation module display self-check.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0073

Control Module Communication Bus Off

A sending malfunction (navigation to APGS).

CAN communication line

U0100

Lost Communication with ECM

An ECM communication malfunction.

CAN communication line

U0126

Lost Communication with Steering Angle Sensor Module

A steering angle sensor communication malfunction.

CAN communication line

U0155

Lost Communication with Combination Meter

A meter ECU communication malfunction.

CAN communication line

U0164

Lost Communication with A/C ECU

An air conditioner ECU communication malfunction.

CAN communication line

U1110

Lost Communication with Clearance Warning ECU

No communication with clearance warning ECU

CAN communication line

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs and check if the same trouble occurs again.

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

      Result

      Result

      OK

      NG

    OK

    USE SIMULATION METHOD TO CHECK

    NG

    GO TO CAN COMMUNICATION SYSTEM