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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4337 FMI 4 (ACM) Diesel Exhaust Fluid Temperature Sensor Circuit Failed Low

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 Unit Circuit Failed Open
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4336 FMI 4 (ACM) Diesel Exhaust Fluid Pressure Limiting Unit Circuit Failed Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4336 FMI 3 (ACM) Diesel Exhaust Fluid Pressure Limiting Unit Circuit Failed High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4335 FMI 31 (ACM) Silent Fault (No Dash Lamps Illuminated )