B1903 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1903 – Air Bag Crash Sensor 1 Ground Circuit Short To Battery

 

B1903 Possible Symptoms

 

Air Bag Warning Light ON

 

B1903 Possible Causes

 

Faulty Air Bag Crash Sensor 1,Air Bag Crash Sensor 1 harness is open or shorted,Air Bag Crash Sensor 1 circuit poor electrical connection,Faulty Air Bag Control Module

 

B1903 Description

 

The Air Bag Control Module monitors the Air Bag Crash Sensor 1. The Air Bag Control Module sets the OBDII code when the Air Bag Crash Sensor 1 is not to factory specifications.