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

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

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.

NG

SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY
OK

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

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C
A

END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)
B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

    Stereo Component Amplifier Malfunction (B15A3)

    Speed Signal Malfunction (B15C2)

    See More:

    Toyota Tundra Service Manual > Airbag System: Precaution
    PRECAUTION CAUTION: Failure to carry out service procedures in the correct sequence could cause SRS parts to unexpectedly deploy and possibly lead to serious injuries. Furthermore, if a mistake is made when servicing SRS parts, they may fail to operate when required. Before performing servicing (inc ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0126