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

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

1.

CHECK FOR DTC

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

USE SIMULATION METHOD TO CHECK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY