DESCRIPTION:
Diesel Exhaust Fluid (DEF) pump supply current high.
MONITORED PARAMETER:
DEF pump supply current.
TYPICAL ENABLING CONDITIONS:
1. Dosing enabled.
2. Ambient temperature is greater than 0°C (32°F) or dosing enabled.
3. Ambient temperature is less than -5°C (23°F).
4. DEF Pump/Tank heater is commanded 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:
SCR ADS self check.
PROBABLE CAUSES:
1. DEF pump harness connector/wiring.
2. DEF pump failure.
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4375 FMI 5 (ACM) Diesel Exhaust Fluid Pump Circuit Failed Open
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4375 FMI 4 (ACM) Diesel Exhaust Fluid Pump Circuit Failed Low
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4375 FMI 3 (ACM) Diesel Exhaust Fluid Pump Circuit Failed High
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4364 FMI 18 (ACM) Selective Catalyst Reduction NOx Conversion Low
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4364 FMI 1 (ACM) Selective Catalyst Reduction NOx Conversion Very Low
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4363 FMI 20 (ACM) SCR Temperature Drift – Inlet Low/Outlet High