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).
EXECUTION FREQUENCY:Once per drive cycle.
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 DD13 EPA10 (2010-13) Fault Code: SPN 4335 FMI 1 (ACM) Diesel Exhaust Fluid Air Pressure Not Detected (from Vehicle Supply)
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 17 (ACM) Diesel Exhaust Fluid (DEF) Purge Pressure High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 7 (ACM) DEF Pressure Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 4 (ACM) Diesel Exhaust Fluid Pressure Sensor Circuit Failed Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 3 (ACM) Diesel Exhaust Fluid Pressure Sensor Circuit Failed High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 2 (ACM) Diesel Exhaust Fluid Metering Unit Pressure Sensor – Drift