B1B2B Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1B2B – 1st Row Driver Seat Belt Pretensioner Circuit Shorted Together


B1B2B Possible Symptoms


Air Bag Warning Light ON


B1B2B Possible Causes


Faulty Driver Seat Belt Pretensioner,Driver Seat Belt Pretensioner harness is open or shorted,Driver Seat Belt Pretensioner circuit poor electrical connection,Faulty Occupant Restraint Controller (ORC)


B1B2B Description


The Occupant Restraint Controller (ORC) monitors the 1st Row Driver Seat Belt Pretensioner Circuit. The OBDII code sets when the ORC has detected low resistance between the Driver Seat Belt Tensioner circuits.