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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Safety Connect System (Diagnostic Codes & Symptom Tests) >> Safety Connect System >> DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna >> Description

DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna: Description

This DTC is set when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna circuit. The DCM (Telematics Transceiver) receives 1574.42 - 1576.42 MHz radio frequency signal from satellites through the telephone and GPS antenna assembly. The cable is a 50 Ω coaxial cable.

DTC No. DTC Detection Condition Trouble Area
B15C0 Current for telephone and GPS antenna assembly is more than malfunction criterion for 10 seconds when engine switch is on (IG).
(Short circuit)
  • DCM (Telematics Transceiver)
  • Wire harness or connector (Telephone and GPS antenna cord)
  • Telephone and GPS antenna assembly
B15C1 Current for telephone and GPS antenna assembly is less than malfunction criterion for 10 seconds when engine switch is on (IG).
(Open circuit)

HINT: 

Refer to "PARTS LOCATION" for the installation location of telephone and GPS antenna cord. Refer to PARTS LOCATION .