DTC B1536: Short in Telephone SUB Antenna Circuit; DTC B1537: Open in Telephone SUB Antenna Circuit [12/2017 - 10/2020]: Description

This DTC is stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone antenna (sub) circuit. The DCM (Telematics Transceiver) sends and receives 746 to 756 MHz or 2110 to 2155 MHz radio-frequency through the telephone antenna (sub).

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1536	Short in Telephone SUB Antenna Circuit	Telephone antenna (sub) impedance is lower than malfunction criterion for 10 seconds when 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 [I/P])
B1537	Open in Telephone SUB Antenna Circuit	Telephone antenna (sub) impedance is higher than malfunction criterion for 10 seconds when 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 [I/P])