AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): B15C0,B15C1; GPS Antenna Connection Malfunction(short); 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000026XMX
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): B15C0,B15C1; GPS Antenna Connection Malfunction(short); 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]

DTC

B15C0

GPS Antenna Connection Malfunction(short)

DTC

B15C1

GPS Antenna Connection Malfunction(break)

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15C0	GPS Antenna Connection Malfunction(short)	Navigation antenna malfunction	Navigation antenna assembly No. 2 antenna cord sub-assembly Radio and display receiver assembly
B15C1	GPS Antenna Connection Malfunction(break)	Navigation antenna power source malfunction	Navigation antenna assembly No. 2 antenna cord sub-assembly Radio and display receiver assembly

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
Check that the No. 2 antenna cord sub-assembly cable is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.
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