Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 4 (MCM) Fuel Rail Pressure Sensor Circuit Failed Low (Short to Ground)

NOTE: Fault may be induced by low battery voltage.

DESCRIPTION:
Fuel rail pressure sensor circuit failed low.

MONITORED PARAMETER:
Fuel rail pressure sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
2 seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Engine Idle: One minute.

NOTE: Most common reason for this code is low battery voltage.

PROBABLE CAUSES:
1. Fuel rail pressure sensor.
2. Fuel rail pressure sensor harness/connector.