NAVIGATION SYSTEM (for Radio and Display Type), Diagnostic DTC:B1551, B15A0, B15B0, B15B3, B15B4, B15B7, B15BA

DTC Code DTC Name
B1551 HD Radio Tuner Malfunction
B15A0 LAN Master Malfunction
B15B0 Display Screen Malfunction
B15B3 Radio Tuner Malfunction
B15B4 CD Changer Malfunction
B15B7 Bluetooth Module Malfunction
B15BA XM Tuner Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio and display receiver assembly.

DTC No. DTC Detection Condition Trouble Area
B1551

When one of the conditions below is met:


  • "HD Radio" tuner decoder malfunction

  • "HD Radio" tuner audio output section malfunction

  • "HD Radio" tuner decoder RF/IF malfunction

 Radio and display receiver assembly
B15A0

When either condition below is met:


  • Bus malfunction

  • EEPROM error
B15B0 Picture circuit (TFT unit) malfunction
B15B3

When one of the conditions below is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction
B15B4

When one of the conditions below is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction
B15B7 "Bluetooth" module malfunction
B15BA

When either of the conditions below is met:


  • Internal IC malfunction

  • Tuner malfunction

INSPECTION PROCEDURE

Note

After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here