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.