DTC B15C1-11: GNSS Antenna Circuit Short to Ground; DTC B15C113: GNSS Antenna Circuit Open [08/2019 - ]: Description

WARNING: This page is about a different car, the 2022 Toyota Sequoia, 2021 Toyota Sequoia, and 2020 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

These DTCs are stored when a malfunction occurs in the telephone and GPS antenna (for Roof Side) circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15C111	GNSS Antenna Circuit Short to Ground	Current to the GNSS antenna is lower than the malfunction threshold for 10 seconds or more when the engine switch is on (IG) (Short circuit)	DCM (telematics transceiver) Telephone and GPS antenna (for Roof Side) Telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) Telephone and GPS antenna cord (roof headlining assembly [roof antenna cord]) Telephone and GPS antenna cord (antenna cord sub-assembly)
B15C113	GNSS Antenna Circuit Open	Current to the GNSS antenna is higher than the malfunction threshold for 10 seconds or more when the engine switch is on (IG) (Open circuit)	DCM (telematics transceiver) Telephone and GPS antenna (for Roof Side) Telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) Telephone and GPS antenna cord (roof headlining assembly [roof antenna cord]) Telephone and GPS antenna cord (antenna cord sub-assembly)