Toyota Tacoma (2015-2018) Service Manual: Extension Module Malfunction (B1552,B158A,B15BA)

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the stereo component tuner assembly.

DTC No.	DTC Detection Condition	Trouble Area
B1552	Internal malfunction of the navigation ECU	Stereo component tuner assembly
B158A	Screen noise adjustment fails
B15BA	When either of the following conditions 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

CHECK DTC

(a) Clear the DTCs (See page (b) Recheck for DTCs and check that no DTCs are output. ).

(b) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

REPLACE STEREO COMPONENT TUNER ASSEMBLY

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Symbols used in illustrations
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