OBD Codes List

Diagnostic reference · P06DB

P06DB

Engine Oil Pressure Control Circuit Low

System
Computer output circuits (P code)
Lamp
Check Engine Light
Category
Powertrain - Computer and Auxiliary Controls

What it means

P06DB means Engine Oil Pressure Control Circuit Low.

Check these first

  • A short to ground in the oil pressure control circuit
  • A failed oil pressure sensor reading low
  • A stuck or leaking oil pressure control valve
  • A weak oil pump not building pressure

What to do next

  1. Check the oil level and the correct oil type
  2. Inspect the oil pressure control circuit for a short to ground
  3. Compare the oil pressure sensor to a mechanical gauge
  4. Test the oil pressure control valve for sticking
  5. Replace the oil pressure sensor if it reads low
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.