Detroit DD16 EPA10 (2010-13) Fault Code: SPN 3471 FMI 5 (MCM) Hydrocarbon Doser Circuit Failed Open

DESCRIPTION:
Hydrocarbon (HC) doser circuit failed open.

MONITORED PARAMETER:
HC doser circuit.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 10%

VERIFICATION:
Engine idle

PROBABLE CAUSES:
1. Wiring between the EDV and the 120-pin ECM connection.
2. Metering unit failure.
3. Electronic dosing valve failure.