Powertrain
generic / SAE
P25AA
Piston Cooling Oil Control Circuit Low
The piston-cooling oil-jet control circuit reads stuck low — short to ground or low-side driver stuck on. The jets may be enabled continuously, raising oil pump load and lowering oil pressure to other consumers.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / AA
Possible causes
- Control wire shorted to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–4 h
- Component: piston cooling solenoid
- MIL / check engine light
Sources
References
sae:J2012