Detroit Diesel

DESCRIPTION:This code sets when the Aftertreatment Control Module (ACM) detects a short to voltage or open on the Diesel Exhaust Fluid (DEF) Pressure Sensor Circuit. 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. MIL2. CEL ENGINE REACTION:Derate 25% VERIFICATION:Engine Idle: One minute. PROBABLE CAUSES:1. DEF pressure sensor.2. DEF pressure sensor connector/harness. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 2 (ACM) Diesel Exhaust Fluid Metering Unit Pressure Sensor – Drift Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4258 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder...

DESCRIPTION:This code sets when the Aftertreatment Control Module (ACM) detects a short to ground on the Diesel Exhaust Fluid (DEF) Pressure Sensor Circuit. 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. MIL2. CEL ENGINE REACTION:Derate 25% VERIFICATION:Engine idle: One minute. PROBABLE CAUSES:1. DEF pressure sensor.2. DEF pressure sensor connector/harness. 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 –...

NOTE: This code sets when the aftertreatment control module (ACM) detects that the diesel exhaust fluid (DEF) pump is not building 72 psi during a pressure build cycle (60 seconds). DESCRIPTION:DEF pressure low. MONITORED PARAMETER:DEF pressure TYPICAL ENABLING CONDITIONS:1. Pressure limiting unit on.2. Dosing enabled. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:60 seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 25% VERIFICATION:SCR quantity test. NOTE: If there is oil present in the air system, the pressure limiting unit (PLU, diesel exhaust fluid (DEF) metering unit and the associated air lines should be cleaned to prevent repeat failures. NOTE:...

DESCRIPTION:Diesel exhaust fluid (DEF) air pressure not detected (from vehicle supply). MONITORED PARAMETER:Vehicle air pressure. TYPICAL ENABLING CONDITIONS:1. Engine rpm is greater than 500.2. Dosing enabled. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 25% VERIFICATION:Selective catalytic reduction (SCR) air pressure test. PROBABLE CAUSES:1. Vehicle not reaching 100 PSI.2. DEF metering unit air pressure sensor.3. Pressure limiting valve.4. Flush DEF system. 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...

NOTE: This information indicates that the Aftertreatment Control Module (ACM) will initiate a Diesel Exhaust Fluid (DEF) metering unit flush procedure. NOTE: This is a silent code indicating the DEF metering unit will perform a flush procedure. NOTE: If 3361-7 is also active, repair 3361-7 first. If only code 4335-14 present, no need to do anything. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4335 FMI 7 (ACM) DEF Metering Unit Air Pressure – Low Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4335 FMI 4 (ACM) Diesel Exhaust Fluid Metering Unit Air Pressure Sensor Circuit Failed Low Detroit DD13 EPA10 (2010-13)...