Toyota Tundra Service Manual: XM Tuner Malfunction (B15BA)

DESCRIPTION

This DTC is stored when a malfunction occurs in the extension module.

DTC Code

DTC Detection Condition

Trouble Area

B15BA

When either of the conditions below is met:

  • Internal IC malfunction
  • Tuner malfunction

Stereo component tuner assembly

CAUTION / NOTICE / HINT

NOTICE:

After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.

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 STEREO COMPONENT TUNER ASSEMBLY

C

REPLACE STEREO COMPONENT TUNER ASSEMBLY

    Audio And Visual System

    Speaker Output Short (B15C3)

    See More:

    Toyota Tundra Service Manual > Sfi System: Throttle / Pedal Position Sensor / Switch "D" Circuit (P2120,P2122,P2123,P2125,P2127,P2128,P2138)
    DESCRIPTION The accelerator pedal position sensor is mounted on the accelerator pedal bracket and has 2 sensor circuits: VPA (main) and VPA2 (sub). This sensor is a non-contact type and uses Hall-effect elements in order to yield accurate signals even in extreme driving conditions, such as at high s ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0275