Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 1 (MCM) Quantity Control Valve Low Side Driver Error

DESCRIPTION:
Quantity control valve (low side) error.

MONITORED PARAMETER:
Quantity control valve (QCV).

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Engine Idle: One minute.

POSSIBLE CAUSES:
1. Motor control module (MCM) pin 2 circuit is shorted to power.
2. Internal short of the quantity control valve.

PROBABLE CAUSES:
1. ECM pin 2 shorted to ground.
2. Quantity control valve failure.
3. Quantity control valve harness/connector.