B1284 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1284 – Front Wiper Switch HIGH Position Circuit Malfunction


B1284 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1284 Possible Causes


Faulty Front Wiper Switch,Front Wiper Switch harness is open or shorted,Front Wiper Switch circuit poor electrical connection,Faulty Multiplex Integrated Control Unit (MICU)


B1284 Description


The Multiplex Integrated Control Unit (MICU) monitors the Front Wiper Switch Position. The MICU sets the OBDII code when the Front Wiper Switch Position is not to factory specifications.