Detroit DD15 GHG14 (2014-16) Fault Code: SPN 4375 FMI 3 (ACM) Diesel Exhaust Fluid Pump Circuit Failed High

DESCRIPTION:
Diesel Exhaust Fluid (DEF) pump circuit failed high.

MONITORED PARAMETER:
DEF pump

TYPICAL ENABLING CONDITIONS:
DEF pump on.

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:
SCR ADS Self-Check.

PROBABLE CAUSES:
1. DEF pump harness connector/wiring.
2. DEF pump failure.