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

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

USE SIMULATION METHOD TO CHECK

REPLACE STEREO COMPONENT TUNER ASSEMBLY

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

Voice Recognition Microphone Disconnected (B1579)

See More:

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