B1431 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1431 – Right Seat Belt Pre-Tensioner Circuit


B1431 Possible Symptoms


Air Bag Warning Light ON


B1431 Possible Causes


Faulty Right Seat Belt Pre-Tensioner,Right Seat Belt Pre-Tensioner harness is open or shorted,Right Seat Belt Pre-Tensioner circuit poor electrical connection,Faulty Air Bag Diagnosis Sensor Unit


B1431 Description


The Right Seat Belt Pre-Tensioner is wired to the Air Bag Diagnosis Sensor Unit. The Air Bag Diagnosis Sensor Unit will monitor for opens and shorts in detected lines to the Right Seat Belt Pre-Tensioner.