B1BB3 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1BB3 – Passenger Air Bag Disable Switch Circuit Low


B1BB3 Possible Symptoms


Air Bag Warning Light ON


B1BB3 Possible Causes


Faulty Passenger Air Bag Disable Switch,Passenger Air Bag Disable Switch harness is open or shorted,Passenger Air Bag Disable Switch circuit poor electrical connection,Faulty Occupant Restraint Controller (ORC)


B1BB3 Description


When the ignition is on, the Passenger Airbag MUX Switch Sense circuit supplies a 3 to 10 ms pulse every 100 ms across the On or Off switch resistor to the Passenger Airbag MUX switch return circuit. The code will set if the Occupant Restraint Controller (ORC) senses low resistance on the Passenger Airbag MUX Switch Sense circuit.