B1839 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1839 – Wiper Rear Motor Circuit Failure

 

B1839 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1839 Possible Causes

 

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

 

B1839 Description

 

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