Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3361 FMI 3 (ACM) Diesel Exhaust Fluid Dosing Valve Circuit Failed High

DESCRIPTION:
Diesel exhaust fluid (DEF) system circuit voltage above normal, or shorted to high source.

MONITORED PARAMETER:
DEF dosing unit voltage.

TYPICAL ENABLING CONDITIONS:
DEF dosing enabled.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
None

ENGINE REACTION:
Derate 25%

VERIFICATION:
Key off five minutes after repair.

PROBABLE CAUSES:
1. DEF doser valve harness connector.
2. DEF metering unit failure.
3. Wiring between DEF doser valve harness and the ECM.

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