DTC B15C4: Airbag Signal Malfunction/Not Input [06/2018 - 10/2019]: Description

If the DCM (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the airbag sensor assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15C4	Airbag Signal Malfunction/Not Input	DCM (Telematics Transceiver) detects an error in signals from airbag sensor assembly when engine switch is on (IG).	Airbag system Wire harness or connector Airbag sensor assembly DCM (Telematics Transceiver)