Detroit DD16 GHG14 (2014-16) Fault Code: SPN 175 FMI 15 (MCM) Oil Temperature High Pre-Warning

DESCRIPTION:
This code sets when the motor control module (MCM) detects engine oil temperature above normal range.

MONITORED PARAMETER:
Engine oil temperature sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
None

VERIFICATION:
Run the engine at 1200 rpm until coolant temperature reaches 49°C (120°F).

PROBABLE CAUSES:
1. Low oil level.
2. Cooling system leaks.
3. Engine fan failure.
4. Coolant thermostate failure.
5. Engine oil temperature sensor failure.
6. Engine oil temperature sensor connector/harness.