Detroit Diesel

DESCRIPTION:Diesel exhaust fluid (DEF) temperature sensor circuit failed low. MONITORED PARAMETER:DEF temperature sensor. TYPICAL ENABLING CONDITIONS:Always enabled MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL VERIFICATION:Engine Idle: One minute. PROBABLE CAUSES:1. DEF metering unit temperature sensor.2. DEF metering unit temperature sensor connector/harness. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 2 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4336 FMI 5 (ACM) Diesel Exhaust Fluid Pressure Limiting...

NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: If code not active, release vehicle to customer. PROBABLE CAUSES:1. DEF metering unit diffuser heater.2. DEF metering unit diffuser heater connector/harness.3. DEF doser valve. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 4 (ACM) Diesel Exhaust Fluid Temperature Sensor Circuit Failed Low Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 2 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift Detroit DD13 EPA10 (2010-13) Fault...

DESCRIPTION:Diffuser heater circuit failed low. MONITORED PARAMETER:Diffuser Heater TYPICAL ENABLING CONDITIONS:1. DEF Tank Temperature is less than -3.33°C (26°F).2. Ambient Temperature is less than 10°C (50°F). MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 10% VERIFICATION:Output component test. NOTE: If code not active, release vehicle to customer. PROBABLE CAUSES:1. DEF metering unit diffuser heater.2. DEF metering unit diffuser heater connector/harness.3. DEF doser valve. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Diffuser Heater Circuit Failed High Detroit DD13 EPA10 (2010-13) Fault Code: SPN...

DESCRIPTION:Diffuser heater open circuit. MONITORED PARAMETER:Diffuser Heater TYPICAL ENABLING CONDITIONS:Always Enabled MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always Enabled TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 10% VERIFICATION:Engine Idle (1 minute). NOTE: If code not active, release vehicle to customer. PROBABLE CAUSES:1. DEF metering unit diffuser heater.2. DEF metering unit diffuser heater connector/harness.3. DEF doser valve. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 4 (ACM) Diffuser Heater Circuit Failed Low Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Diffuser Heater Circuit Failed High Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337...

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Wiring between line heater 1 and the engine ECM.2. Line heating element failure. Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 5 (ACM) Diffuser Heater Open Circuit Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 4 (ACM) Diffuser Heater Circuit Failed Low Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4353 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Diffuser Heater Circuit Failed High Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 4 (ACM) Diesel Exhaust Fluid Temperature Sensor Circuit Failed Low Detroit...