DESCRIPTION:
Diesel exhaust fluid (DEF) pressure limiting unit.
MONITORED PARAMETER:
Diesel exhaust fluid (DEF) pressure limiting unit.
TYPICAL ENABLING CONDITIONS:
Diesel exhaust fluid (DEF) pressure limiting unit 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:
Output component test.
NOTE: If code is inactive, disregard.
NOTE: Otherwise, check the DEF pressure limiting unit harness connector and wiring. If no problems found, replace the pressure limiting unit.
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 31 (ACM) Silent Fault (No Dash Lamps Illuminated)
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 14 (ACM) Silent Fault (No Dash Lamps Illuminated)
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 7 (ACM) DEF Metering Unit Air Pressure – Low
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 4 (ACM) Diesel Exhaust Fluid Metering Unit Air Pressure Sensor Circuit Failed Low
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Air Pressure Sensor Circuit Failed High
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 2 (ACM) Diesel Exhaust Fluid Air Pressure Sensor – Drift