B1B46 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1B46 – Right Rear Inner Parking Aid Sensor

 

B1B46 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1B46 Possible Causes

 

Faulty Right Rear Inner Parking Aid Sensor,Right Rear Inner Parking Aid Sensor harness is open or shorted,Right Rear Inner Parking Aid Sensor circuit poor electrical connection,Faulty Parking Assist Control Module (PAM)(Integral to the Body Control Module (BCM))

 

B1B46 Description

 

The Parking Assist Control Module (PAM) monitors the Right Rear Inner Parking Aid Sensor. A continuous memory and on-demand Diagnostic Trouble Code (DTC) that sets when any of the Right Rear Inner Parking Aid Sensor circuits are open or shorted to ground or signal circuit is shorted to battery voltage or has internally failed or has an incorrect attenuation time.