Detroit DD15 GHG14 (2014-16) Fault Code: SPN 100 FMI 10 (MCM) Low Oil Pressure Derate

DESCRIPTION:
This fault code sets when the engine power has been limited to prevent engine damage due to a low oil pressure condition.

MONITORED PARAMETER:
Engine oil pressure

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
1. Key on
2. Engine running

EXECUTION FREQUENCY:
Continuous when enabling conditions are met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
1. Engine derate.
2. Engine shut down.
3. Calibration dependent.

VERIFICATION:
Check at engine operating temperature.

NOTE: Whenever a low engine oil pressure is confirmed the crankshaft main bearings and rod bearings should be inspected for damage or excessive wear.

POSSIBLE CAUSES:
1. Failed oil pressure sensor.
2. Initial start after oil maintenance.
3. Vehicle is parked on a steep incline.
4. Improper oil level.
5. Oil dilution.
6. Leaks in the oil suction manifold.
7. Leaks at the oil suction pipes.
8. Failed oil pump.

NOTE: If 100-3 is active as well, fix 100-3 first.

NOTE: If 100-4 is active as well, fix 100-4 first.

PROBABLE CAUSES:
If oil pressure is fluctuating:
1. Oil level low or high.
2. Faulty oil gauge.
3. Cracked or loose oil pump suction pipe.
4. Loose drive or driven oil pump gear.
5. Fault oil pressure relief valve..

PROBABLE CAUSES:
If oil pressure is low but stable:
1. Fuel in oil.
2. High oil level.