B1817 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1817 – Wiper Rear Motor Down Relay Coil Circuit Short To Ground


B1817 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1817 Possible Causes


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


B1817 Description


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