DTC B1551: HD Radio Tuner Malfunction; DTC B15A0: LAN Master Malfunction; DTC B15AD: Navigation Processor Malfunction; DTC B15B0: Display Screen Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B4: CD Changer Malfunction; DTC B15B7: Bluetooth Module Malfunction [06/2015 - 01/2018]: Description

These DTCs are stored when a malfunction occurs in the navigation receiver assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1551	HD Radio Tuner Malfunction	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	Navigation receiver assembly
B15A0	LAN Master Malfunction	When either condition below is met: Bus malfunction EEPROM error	Navigation receiver assembly
B15AD	Navigation Processor Malfunction	When one of the conditions below is met: Short to ground or +B or open occurs in gyro signal circuit Gyro sensor malfunction GPS receiver malfunction	Navigation receiver assembly
B15B0	Display Screen Malfunction	Picture circuit (TFT unit) malfunction	Navigation receiver 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 receiver assembly
B15B4	CD Changer Malfunction	When one of the conditions below is met: Mechanism drive signal malfunction Load/Eject malfunction Read mechanism malfunction Mechanical malfunction	Navigation receiver assembly
B15B7	Bluetooth Module Malfunction	"Bluetooth" module malfunction	Navigation receiver assembly