B23AA Code: Meaning, Causes, and Symptoms | OBD2 Codes

B23AA – Implausible Data Received From Rain Sensor


B23AA Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B23AA Possible Causes


Faulty Light Rain Sensing Module (LRSM),Light Rain Sensing Module (LRSM) harness is open or shorted,Light Rain Sensing Module (LRSM) circuit poor electrical connection


B23AA Description


The Body Control Module (BCM) is the Local Interconnect Network (LIN) master for the Light Rain Sensing Module (LRSM). The BCM monitors the information transmitted by the LRSM for correct format and validity. The Body Control Module requests information from the Light Rain Sensing Module (LRSM) and receives a signal not available as a reply from the LRSM.