U0231 Code: Meaning, Causes, and Symptoms | OBD2 Codes

U0231 – Lost Communication With Rain Sensing Module


U0231 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


U0231 Possible Causes


Faulty Rain Sensing Module,Rain Sensing Module harness is open or shorted,Rain Sensing Module circuit poor electrical connection,Faulty Body Control Module (BCM)


U0231 Description


The Body Control Module (BCM) monitors the Rain Sensing Module. The BCM sets the OBDII code when the Rain Sensing Module is not to factory specifications.