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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 20 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift Low

DESCRIPTION:
Selective catalyst reduction (SCR) outlet NOx sensor – drift low.

MONITORED PARAMETER:
Engine out NOx.

TYPICAL ENABLING CONDITIONS:
The following must be true for greater than 30 seconds:
1. Fuel mass is 0.
2. Diesel particulate filter (DPF) outlet temperature greater than 200 °C (392°F).
3. Battery voltage greater than 10V DC.
4. Engine Speed 500 to 2100 rpm.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Five seconds

DASH LAMPS:
MIL

ENGINE REACTION:
None

VERIFICATION:
Parked regeneration

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 13 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Signal Not Available
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 4 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed Low
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 3 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 2 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3223 FMI 7 (ACM) NOx RAW Sensor Not Ready After Dewpoint Enable Check
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction (SCR) Inlet NOx Sensor – Drift (Low Box)