Toyota Tundra Service Manual: Short in GPS Antenna (B15C0,B15C1)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly.

DTC Code	DTC Detection Condition	Trouble Area
B15C0	Navigation antenna error	Navigation antenna assembly Navigation receiver assembly
B15C1	Error of the power source to the navigation antenna	Navigation antenna assembly Navigation receiver assembly

PROCEDURE

1.	CHECK CONNECTION OF NAVIGATION ANTENNA ASSEMBLY

(a) Check if the navigation antenna assembly is securely connected to the navigation receiver assembly.

OK:

Navigation antenna assembly is securely connected.

SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY

2.	CHECK NAVIGATION ANTENNA ASSEMBLY

(a) Replace the navigation antenna assembly with a known good one (See page ).

(b) Check for DTCs (See page ).

OK:

No DTCs are output.

Result

END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

REPLACE NAVIGATION RECEIVER ASSEMBLY

Toyota Tundra Service Manual > Can Communication System: Audio Receiver Assembly Communication Stop Mode
DESCRIPTION Detection Condition Symptoms Trouble Area Audio Receiver Assembly Communication Stop Mode Any of the following conditions are met: Communication stop for "Display and Navigation (AVN)" is indicated on the "Communication Bus Check" screen of the Techstream. Communication system DTCs (DTCs ...

Toyota Tundra Owners Manual