B129C Code: Meaning, Causes, and Symptoms | OBD2 Codes

B129C – Left Front Side Sensor Circuit Short To Ground Or Open

 

B129C Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B129C Possible Causes

 

Faulty Left Front Side Sensor,Left Front Side Sensor harness is open or shorted,Left Front Side Sensor circuit poor electrical connection,Faulty Parking Aid Module (PAM)

 

B129C Description

 

The Parking Aid Module (PAM) monitors the Left Front Side Sensor. A continuous and on-demand Diagnostic Trouble Code (DTC) that sets when any of the left front active park assist sensor circuits are open or the sensor signal line is shorted to ground.