2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 542

OK -- END

5. INSPECT DCM (TELEMATICS TRANSCEIVER) (TELEPHONE MICROPHONE POWER SOURCE)

(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors See: Accessories and Optional

Equipment/Emergency Contact Module/Service and Repair/Removal.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPLACE DCM (TELEMATICS TRANSCEIVER)

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR

6. REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) See: Accessories and Optional Equipment/Emergency Contact Module/Service and

Repair/Removal.

NOTICE:

* The engine switch must be off.

* Do not swap the DCM (Telematics Transceiver) with one from another vehicle.

NEXT -- PERFORM DCM ACTIVATION See: Accessories and Optional Equipment/Emergency Contact Module/Testing and

Inspection/Scan Tool Testing and Procedures/DCM Activation

B1573

CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1573,B15CB: Short in Telephone Antenna Circuit

B1573 - Short in Telephone Antenna Circuit

B15CB - Telematics Transceiver Antenna Disconnected

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) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephone and GPS antenna assembly.

HINT

Refer to "PARTS LOCATION" for the installation location of telephone and GPS antenna cord See: Accessories and Optional

Equipment/Emergency Contact Module/Locations/Safety Connect System.