P14A0 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P14A0 – Exhaust Gas Back Pressure Sensor Open Circuit Or Short Circuit To Earth

 

P14A0 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P14A0 Possible Causes

 

Faulty Exhaust Gas Back Pressure Sensor,Exhaust Gas Back Pressure Sensor harness is open or shorted,Exhaust Gas Back Pressure Sensor circuit poor electrical connection

 

P14A0 Description

 

The Engine Control Module (ECM) monitors the Exhaust Gas Back Pressure Sensor. The ECM sets the OBDII code when the Exhaust Gas Back Pressure Sensor is not to factory specifications.