P252A Code: Meaning, Causes, and Symptoms | OBD2 Codes

P252A – Engine Oil Quality Sensor Circuit

 

P252A Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P252A Possible Causes

 

Faulty Engine Oil Quality Sensor,Engine Oil Quality Sensor harness is open or shorted,Engine Oil Quality Sensor circuit poor electrical connection

 

P252A Description

 

The Powertrain Control Module (PCM) monitors the Engine Oil Quality Sensor Circuit. The PCM sets the OBDII code when the Engine Oil Quality Sensor signal is out of factory specifications.