B1B42 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1B42 – Left Front Inner Parking Aid Sensor

 

B1B42 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1B42 Possible Causes

 

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

 

B1B42 Description

 

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