DTC B1537-11: Telephone Sub Antenna Circuit Short to Ground; DTC B153713: Telephone Sub 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 Front Side).

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B153711	Telephone Sub Antenna Circuit Short to Ground	Telephone antenna (sub) impedance (Ω) 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 Front Side) Telephone and GPS antenna cord (antenna cord sub-assembly)
B153713	Telephone Sub Antenna Circuit Open	Telephone antenna (sub) impedance (Ω) 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 Front Side) Telephone and GPS antenna cord (antenna cord sub-assembly)