Toyota Tundra Service Manual: Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the extension module.

DTC Code

DTC Detection Condition

Trouble Area

B1552

Internal malfunction of the extension module

Stereo component tuner assembly

B158A

Screen noise adjustment fails

B15BA

When either of the conditions below is met:

  • Internal IC malfunction
  • Tuner malfunction

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

    HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

    Voice Recognition Microphone Disconnected (B1579)

    See More:

    Toyota Tundra Service Manual > 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 decode ...

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