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.