DTC B1573: Short in Telephone Antenna Circuit; DTC B15CB: Telematics Transceiver Antenna Disconnected [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is set when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephone and GPS antenna assembly.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1573 | Telephone and GPS antenna assembly impedance is lower than malfunction criterion for 10 seconds when power switch is on (IG). (Short circuit) |
|
| B15CB | Telephone and GPS antenna assembly impedance is higher than malfunction criterion for 10 seconds when power 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 [08/2013 - ] .