B1819 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1819 – Wiper Rear Motor Up Relay Coil Circuit Open


B1819 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1819 Possible Causes


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


B1819 Description


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