B1620 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1620 – Wiper Rear Low Limit Input Circuit Open


B1620 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1620 Possible Causes


Faulty Wiper Rear Switch,Wiper Rear Switch harness is open or shorted,Wiper Rear Switch circuit poor electrical connection,Faulty Body Control Module (BCM)


B1620 Description


The Body Control Module (BCM) monitors the Wiper Rear Low Limit. The BCM sets the OBDII code when the Wiper Rear Low Limit is not to factory specifications.