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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3226 FMI 21 (ACM) NOx Outlet Sensor Drift High

DESCRIPTION:Outlet NOx sensor drifted high.

MONITORED PARAMETER:Selective catalyst reduction (SCR) outlet NOx.

TYPICAL ENABLING CONDITIONS:Always enabled

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Continuous when enabling conditions met.

TYPICAL DURATION:Two seconds

DASH LAMPS:MIL

ENGINE REACTION:None

VERIFICATION:Parked regeneration

NOTE: If any other EGR codes are active, fix those first.

PROBABLE CAUSES:1. Check the aftertreatment system for leaks/damage.2. Perform a high idle regeneration with the metering valve or dosing unit disconnected.

Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3226 FMI 13 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Signal Not Available
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3226 FMI 4 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3226 FMI 3 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3226 FMI 2 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction Inlet NOx Sensor – Drift (Low Box)
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3216 FMI 13 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Signal Not Available