B1933 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1933 – Air Bag Passenger Circuit Open Fault

 

B1933 Possible Symptoms

 

Air Bag Warning Light ON

 

B1933 Possible Causes

 

Faulty Passenger Air Bag Module,Passenger Air Bag Module harness is open or shorted,Passenger Air Bag Module circuit poor electrical connection,Faulty Restraint Control Module (RCM)

 

B1933 Description

 

The Restraints Control Module (RCM) checks all of the Passenger Air Bag Module Circuits for faults. If the RCM detects an open or low resistance on the Passenger Air Bag Module Squib 1 Circuits, it will store Diagnostic Trouble Code (DTC) B1933 in memory and illuminate the air bag indicator.