Toyota Tundra Service Manual: HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation 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	Navigation receiver assembly
B15A0	When either of the conditions below is met: Bus malfunction EEPROM error
B15AD	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
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
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 NAVIGATION RECEIVER ASSEMBLY

Toyota Tundra Service Manual > Automatic Transmission System: Shift Solenoid "A" Performance (Shift Solenoid Valve S1) (P0751)
DESCRIPTION The ECM uses signals from the output shaft speed sensor and input speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th, 5th or 6th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid val ...

Toyota Tundra Owners Manual