B19FB Code: Meaning, Causes, and Symptoms | OBD2 Codes

B19FB – Right Rear Window Switch Circuit Low

 

B19FB Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B19FB Possible Causes

 

Faulty Right Rear Window Switch,Right Rear Window Switch harness is open or shorted,Right Rear Window Switch circuit poor electrical connection,Faulty Right Rear Door Module

 

B19FB Description

 

The Right Rear Door Module monitors the Right Rear Window Switch Circuit. The Right Rear Door Module sets the OBDII codes when the Right Rear Window Switch circuit is held below 0.5 volts for over one second.