Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 2 (ACM) Diesel Exhaust Fluid Air Pressure Sensor – Drift

DESCRIPTION:
Diesel exhaust fluid (DEF) air pressure sensor – drift.

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

TYPICAL ENABLING CONDITIONS:
1. Diesel exhaust fluid (DEF) dosing not active.
2. Diesel exhaust fluid (DEF) temperature greater than 0°C (32°F).

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Once per drive cycle.

TYPICAL DURATION:
Five seconds

DASH LAMPS:
MIL

VERIFICATION:
SCR quantity test.

PROBABLE CAUSES:
1. DEF metering unit air pressure sensor.
2. DEF metering unit air pressure sensor connector/harness.
3. DEF metering unit.

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 1 (ACM) Diesel Exhaust Fluid Air Pressure Not Detected (from Vehicle Supply)

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 17 (ACM) Diesel Exhaust Fluid (DEF) Purge Pressure High

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 7 (ACM) DEF Pressure Low

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 4 (ACM) Diesel Exhaust Fluid Pressure Sensor Circuit Failed Low

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 3 (ACM) Diesel Exhaust Fluid Pressure Sensor Circuit Failed High

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 2 (ACM) Diesel Exhaust Fluid Metering Unit Pressure Sensor – Drift

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