Detroit DD15 GHG14 (2014-16) Fault Code: SPN 174 FMI 3 (MCM) Supply Fuel Temperature Sensor Open Circuit

DESCRIPTION:
Fuel temperature circuit failed high.

MONITORED PARAMETER:
Fuel temperature sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
2 seconds

DASH LAMPS:
1. MIL
2. CEL

VERIFICATION:
Engine Idle: One minute.

NOTE: If any cooling system codes present, fix this first.

PROBABLE CAUSES:
1. Fuel temperature sensor.
2. Fuel temperature sensor connector/harness.