B15C4 LEXUS – Airbag Signal Malfunction/Not Input

B15C4 LEXUS Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),Air Bag Warning Light ON

B15C4 LEXUS Possible Causes

Faulty Center Airbag Sensor Assembly,Center Airbag Sensor Assembly harness is open or shorted,Center Airbag Sensor Assembly circuit poor electrical connection,Faulty Data Communication Module (DCM) (Telematics Transceiver)

B15C4 LEXUS Description

If the Data Communication Module (DCM) (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the Center Airbag Sensor Assembly as a result of the DCM (Telematics Transceiver) self check, this Diagnostic Trouble Code (DTC) will be set.