NOTE: If any other EGR codes are active, fix those first.
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3226 FMI 13 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Signal Not Available
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3226 FMI 4 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed Low
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3226 FMI 3 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed High
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3226 FMI 2 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction Inlet NOx Sensor – Drift (Low Box)
Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3216 FMI 13 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Signal Not Available