Toyota Tundra Service Manual: XM Tuner Malfunction (B15BA)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Audio / Video / Audio And Visual System / 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 > Can Communication System: Open in Bus 1 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0326