B11D8 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B11D8 – Restraint Event Notification


B11D8 Possible Symptoms


Air Bag Warning Light ON


B11D8 Possible Causes


Faulty Restraint Control Module (RCM),Restraint Control Module (RCM) harness is open or shorted,Restraint Control Module (RCM) circuit poor electrical connection,Fualty Battery Energy Control Module (BECM)


B11D8 Description


The Battery Energy Control Module (BECM) monitors the impact notification output from the Restraint Control Module (RCM). The RCM outputs a Pulse Width Modulation (PWM) voltage on the circuit based on status. If the BECM senses the frequency is out of range, will illuminate the powertrain malfunction (wrench) warning indicator and set a Diagnostic Trouble Code (DTC).