Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3480 FMI 21 (MCM) Fuel Cut-Off Valve Pressure Not Plausible

DESCRIPTION:
Fuel Cut-off Valve (FCV) pressure not plausible.

MONITORED PARAMETER:
Hydrocarbon (HC) doser fuel compensation pressure.

TYPICAL ENABLING CONDITIONS:
Dosing enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
One minute

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 10%

VERIFICATION:
Parked regeneration

NOTE: If there are any other fuel codes present, fix those first.

PROBABLE CAUSES:
1. Inspect the HC doser block assy and fuel doser injector valve fuel lines for external leaks.
2. Replace the fuel compensation sensor (FCP).
3. Perform a parked regen.