P252E OBD II Trouble Code Engine Oil Quality Circuit Intermittent/Erratic

How to quickly diagnose and repair, and causes of a P252E electrical code which indicates an intermittent or erratic state in the engine oil quality sensor circuit.

Symptoms of P252E OBD II Trouble Code

  • Engine may not crank over
  • Low oil pressure gauge reading
  • Service engine soon light illuminated
  • Check engine light illuminated
  • Check Oil message on instrument cluster

Common Causes of P252E OBD II Trouble Code

  • Defective engine oil quality sensor
  • Low engine oil level
  • Poor quality oil
  • Faulty or damaged wiring
  • Corroded, damaged or loose connector
  • Defective ECM

Severity of P252E OBD II Trouble Code

The severity of this code is severe and requires immediate attention because insufficient lubrication or oil pressure can cause permanent damage to internal engine components very rapidly.