What are the common causes of P06DC?

A short to voltage in the oil pressure control circuit. A faulty oil pressure sensor. A stuck oil pressure control valve. Blocked oil passages raising pressure.

Check the engine oil level and condition. Inspect the oil pressure control circuit for a short to voltage. Test the oil pressure control valve for sticking. Check the oil pressure sensor output against a gauge. Replace the oil pressure control valve if it sticks. Clear the code and retest.

P06DC

Engine Oil Pressure Control Circuit High

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

What it means

P06DC means Engine Oil Pressure Control Circuit High.

Check these first

A short to voltage in the oil pressure control circuit
A faulty oil pressure sensor
A stuck oil pressure control valve
Blocked oil passages raising pressure

What to do next

Check the engine oil level and condition
Inspect the oil pressure control circuit for a short to voltage
Test the oil pressure control valve for sticking
Check the oil pressure sensor output against a gauge
Replace the oil pressure control valve if it sticks
Clear the code and retest

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Updated

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