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DTC B15C4: Airbag Signal Malfunction/Not Input [06/2015 - 01/2018]: Description

If the DCM (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the airbag ECU 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 ECU assembly when power switch is on (IG).
  • Airbag system
  • Harness or connector
  • Airbag ECU assembly
  • DCM (Telematics Transceiver)