B18B8 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B18B8 – Master Switch Rear Right Window Switch


B18B8 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B18B8 Possible Causes


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


B18B8 Description


Whenever the Door Module detects a Rear Right Window signal from the master power window switch, for over 30 seconds, this Diagnostic Trouble Code (DTC) will set.