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Detroit DD15 EPA07 (2007-09) Fault Code: SPN 110 FMI 2 (MCM) Coolant Outlet Temperature Not Plausible

DESCRIPTION:
Coolant outlet temperature not plausible.

MONITORED PARAMETER:
Coolant inlet and coolant outlet temperature sensors.

TYPICAL ENABLING CONDITIONS:
1. Engine speed 500-2500 rpm.
2. Coolant temperature is greater than 65C.
3. Battery voltage is 11 vDC.
4. Run engine less than 60s.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
30

DASH LAMPS:
MIL

VERIFICATION:
Start engine, warm it up so that the coolant temperature is greater than 65C. Insure battery voltage is 11 vDC and engine has been running for at least 1 minute then bring engine to idle speed, being certain that it is greater than 500 RPM.

NOTE: If any other cooling system issues, repair those first.

PROBABLE CAUSES:
1. Engine cooling system thermostat failure.
2. Inlet and/or outlet coolant temperature sensor connector/harness.
3. Inlet and/or outlet coolant temperature sensor.

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