B1BBA Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1BBA – Passenger Seat Weight Sensor Supply Circuit


B1BBA Possible Symptoms


Air Bag Warning Light ON


B1BBA Possible Causes


Faulty Occupant Classification Module (OCM),Occupant Classification Module (OCM) harness is open or shorted,Occupant Classification Module (OCM) circuit poor electrical connection


B1BBA Description


While the CAN bus ignition status is in IGN-RUN, the module checks the sensor supply. If the Occupant Classification Module (OCM) detects that the sensor supply shorted, this code will be set.