P252C Possible Causes
- Faulty engine oil quality sensor
- Engine oil quality sensor harness is open or shorted
- Poor electrical connection in engine oil quality sensor circuit
How to Fix Code P252C
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P252C Meaning
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 outside factory specifications.