Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4334 FMI 3 (ACM) Diesel Exhaust Fluid Pressure Sensor Circuit Failed High

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

MONITORED PARAMETER:
Diesel exhaust fluid (DEF) pressure sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. DEF pressure sensor.
2. DEF pressure sensor connector/harness.

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4332 FMI 31 (ACM) DOC Inlet Temperature Out of Range Low Preventing Dosing

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4331 FMI 18 (ACM) DEF Dosing Quantity Low

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4331 FMI 16 (ACM) DEF Dosing Quantity High

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4258 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Ground

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4258 FMI 3 (MCM) Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Battery

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4257 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder 1, 2, 3 Shorted to Ground

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