DTC B1536: Short in Telephone SUB Antenna Circuit; DTC B1537: Open in Telephone SUB Antenna Circuit [06/2018 - 10/2019]: Description

These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Front Side) circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency signals through the telephone and GPS antenna assembly (for Front Side).

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1536	Short in Telephone SUB Antenna Circuit	Telephone and GPS antenna assembly (for Front Side) impedance is lower than malfunction criterion for 10 seconds when engine switch is on (IG). (Short circuit)	DCM (Telematics Transceiver) Telephone and GPS antenna assembly (for Front Side) Telephone and GPS antenna cord (Antenna cord sub-assembly)
B1537	Open in Telephone SUB Antenna Circuit	Telephone and GPS antenna assembly (for Front Side) impedance is higher than malfunction criterion for 10 seconds when engine switch is on (IG). (Open circuit)	DCM (Telematics Transceiver) Telephone and GPS antenna assembly (for Front Side) Telephone and GPS antenna cord (Antenna cord sub-assembly)