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 )