Toyota Tundra Service Manual: HD Radio Tuner Malfunction (B1551,B15A0,B15B0,B15B3-B15B5,B15B7)

DESCRIPTION

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

DTC Code	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 of the conditions 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: Mechanical communication error Load/Eject malfunction Read malfunction Mechanical malfunction
B15B5	When one of the conditions below is met: Mechanical communication error Load/Eject malfunction Read malfunction Mechanical malfunction
B15B7	"Bluetooth" module malfunction

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

OK:

No DTCs are output.

Result

USE SIMULATION METHOD TO CHECK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Toyota Tundra Service Manual > Navigation System: A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION This DTC is stored when items controlled by the Air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen. HINT: The Air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the ...

Toyota Tundra Owners Manual