P252F OBD II Trouble Code Engine Oil Level Too High

How to quickly diagnose and repair, and causes of a P252F code which indicates a detected engine oil level that is too high.

Symptoms of P252F OBD II Trouble Code

  • Engine may not start
  • Low oil pressure gauge reading
  • Service engine soon light illuminated
  • Check engine light illuminated

Common Causes of P252F OBD II Trouble Code

  • Low engine oil level (most likely)
  • Defective oil level sensor
  • Dirty or clogged oil pressure sensor
  • Engine oil level too high
  • Faulty or damaged wiring
  • Corroded, damaged or loose connector
  • Defective fuse or fuse-able link (If applicable)
  • Defective PCM

Severity of P252F OBD II Trouble Code

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