NAVIGATION SYSTEM(for HDD), Diagnostic DTC:B1550,B15A0,B15AD,B15B0,B15B3,B15B5 and B15B7

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B15A0 LAN Master Malfunction
B15AD Navigation Processor Malfunction
B15B0 Display Screen Malfunction
B15B3 Radio Tuner Malfunction
B15B5 DVD Changer Malfunction
B15B7 Bluetooth Module Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation ECU sub-assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1550

DAB Tuner Malfunction

Digital radio tuner has a malfunction.

Navigation ECU sub-assembly

B15A0

LAN Master Malfunction

When either condition below is met:

  • Bus malfunction

  • EEPROM error

Navigation ECU sub-assembly

B15AD

Navigation Processor Malfunction

When one of the conditions below is met:

  • A short to ground, short to +B or open occurs in the gyro signal circuit

  • Gyro sensor malfunction

  • GPS receiver malfunction

Navigation ECU sub-assembly

B15B0

Display Screen Malfunction

Picture circuit (TFT unit) malfunction

Navigation ECU sub-assembly

B15B3

Radio Tuner Malfunction

When one of the conditions below is met:

  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction

Navigation ECU sub-assembly

B15B5

DVD Changer Malfunction

When one of the conditions below is met:

  • Mechanical communication error

  • Read malfunction

  • Mechanical malfunction

Navigation ECU sub-assembly

B15B7

Bluetooth Module Malfunction

"Bluetooth" module malfunction

Navigation ECU sub-assembly

PROCEDURE

  1. CHECK DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.

      Click here

      Body Electrical > Navigation System > Trouble Codes

    Result

    Proceed to

    No DTCs are output

    DTCs are output

    No DTCs are output

    USE SIMULATION METHOD TO CHECK

    DTCs are output

    REPLACE NAVIGATION ECU SUB-ASSEMBLY