B15C4 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B15C4 – Airbag Signal Malfunction/Not Input

 

B15C4 Possible Symptoms

 

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

 

B15C4 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 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.