Powertrain
generic / SAE
P06DA
Engine Oil Pressure Control Circuit Open
Modern engines use an electrically controlled variable-displacement oil pump or a pressure regulator solenoid. The control circuit on this regulator has an open circuit - the ECU cannot vary oil pressure with load and the pump runs at default mechanical pressure.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / DA
Possible causes
- Open in solenoid or wiring high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–800 €
- Estimated time: 1–3.5 h
- Component: oil pressure regulator
- Component: variable displacement oil pump
- MIL / check engine light
Sources
References
sae:J2012