Detroit DD15 GHG14 (2014-16) Fault Code: SPN 1077 FMI 4 (MCM) Quantity Control Valve (QCV) Circuit Failed Low

DESCRIPTION:
Quantity control valve (QCV) circuit failed low.

MONITORED PARAMETER:
Quantity control valve (QCV) circuit.

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Parked regen

PROBABLE CAUSES:
1. Quantity control valve connector/harness.
2. Quantity control valve.