B0126 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B0126 – Left Front Seat Belt Buckle Switch Malfunction

 

B0126 Possible Symptoms

 

Air Bag Warning Light ON

 

B0126 Possible Causes

 

Faulty Left Front Seat Belt Buckle Switch,Left Front Seat Belt Buckle Switch harness is open or shorted,Left Front Seat Belt Buckle Switch circuit poor electrical connection,Faulty Air Bag Control Module

 

B0126 Description

 

The left front seat belt buckle switch circuit consists of the air bag center sensor and left front seat belt buckle assembly. The Air Bag Control Module monitors the Left Front Seat Belt Buckle Switch. The Air Bag Control Module sets the OBDII code when the Left Front Seat Belt Buckle Switch is not to factory specifications.