DESCRIPTION:SCR NOx conversion efficiency very low.
MONITORED PARAMETER:SCR NOx conversion efficiency.
TYPICAL ENABLING CONDITIONS:1. DEF dosing valve on.2. 1000 to 1500 rpm.3. 15 to 100% load.
MONITOR SEQUENCE:None
EXECUTION FREQUENCY:Continuous when enabling conditions met.
TYPICAL DURATION:30 minutes
DASH LAMPS:MIL
ENGINE REACTION:Derate 25%
VERIFICATION:Parked regen
NOTE: If any 3364-xx codes present, fix those first.
PROBABLE CAUSES:1. DEF tank contaminated (fuel, water, etc…).2. DEF pressure sensor failure.3. DEF pressure sensor connector/harness.4. Perform stationary regen.5. DEF air supply lines cracked/leaked/kinked.
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4363 FMI 20 (ACM) SCR Temperature Drift – Inlet Low/Outlet High
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4363 FMI 8 (ACM) SCR Outlet Temperature Signal Spike
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4363 FMI 4 (ACM) Selective Catalyst Reduction Outlet Temperature Sensor Circuit Failed Low
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4363 FMI 3 (ACM) Selective Catalyst Reduction Outlet Temperature Sensor Circuit Failed High
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4363 FMI 0 (ACM) SCR Outlet Temperature High
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4360 FMI 20 (ACM) Selective Catalyst Reduction Inlet Temperature Sensor Drift High in Range