Toyota Tundra Service Manual: Stereo Component Amplifier Malfunction (B15A3)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Stereo Component Amplifier Malfunction (B15A3)

DESCRIPTION

  • This DTCs is stored when a malfunction occurs in the stereo component amplifier assembly.

DTC Code

DTC Detection Condition

Trouble Area

B15A3

When one of the conditions below is met:

  • Internal power supply malfunction
  • DSP error
  • EEPROM error

Stereo component amplifier assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

    AVC-LAN Circuit

    Short in GPS Antenna (B15C0,B15C1)

    See More:

    Toyota Tundra Service Manual > Sfi System: Cruise Control Input Processor (P1607)
    DESCRIPTION The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store a DTC immediately. DTC No. DTC Detection Condition Trouble Ar ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0131