Volvo All Engines (2017 Emissions) Fault Code: P25A913 PID: EMS Piston Cooling Oil Control
Volvo All Engines (2017 Emissions) Fault Code: P25A913 PID: EMS Piston Cooling Oil Control
The engine piston cooling oil supply valve is located in the oil filter housing and is used to control the piston cooling oil pressure. The engine control module (ECM) controls the valve by monitoring the signal from the piston cooling oil pressure sensor. If an electrical fault is detected inside the valve it will be fully open (fail safe).
Conditions for diagnostic trouble code (DTC):
1) Output not activated
2) The voltage at pin A14.EB:41 is between 33 % and 67 % of the battery voltage
Diagnostic operating conditions
1) Ignition key in ON position
Observable symptoms
1) Low oil pressure at low engine speed
Probable cause
1) Open circuit on common supply wire or open circuit on fuse FE9
2) Control wire in engine wiring harness
3) Piston Cooling Valve
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