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

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / 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

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

A

USE SIMULATION METHOD TO CHECK

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

    LVDS Signal Malfunction (from Extension Module) (B1532,B156C)

    Extension Module Malfunction (B1552,B158A,B15BA)

    See More:

    Toyota Tundra Service Manual > Blind Spot Monitor System: Software Incompatibility with Body Control Module "B" (U1331)
    DESCRIPTION This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors. DTC Code DTC Detection Condition Trouble Area U1331 Destination information of the main body ECU (multiplex network body ECU) and b ...

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