Detroit DD15 EPA07 (2007-09) Fault Code: SPN 174 FMI 4 (MCM) Supply Fuel Temperature Sensor Short to Ground
DESCRIPTION:
This fault code sets when the motor control module (MCM) detects a short to ground on the supply fuel temperature circuit.
MONITORED PARAMETER:
Fuel temperature sensor.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Always enabled
TYPICAL DURATION:
Two 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.
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