DESCRIPTION:DEF pump speed signal above measurement range.
MONITORED PARAMETER:DEF pump speed frequency.
TYPICAL ENABLING CONDITIONS:1. DEF pump enabled.2. On-Off-Cycle request.
EXECUTION FREQUENCY:Continuous when enabling conditions met.
TYPICAL DURATION:2 minutes
DASH LAMPS:1. MIL2. CEL
ENGINE REACTION:Derate 10%
VERIFICATION:SCR ADS Self-Check.
NOTE: If any other codes active, fix those first.
PROBABLE CAUSES:1. Inspect the DEF pump connector/harness.2. DEF pump failure.3. ACM (Aftertreament Control Module ECM) failure.
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4374 FMI 0 (ACM) Under Pressurized Diesel Exhaust Fluid System
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4364 FMI 18 (ACM) SCR NOx Conversion Efficiency Low
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 4364 FMI 1 (ACM) SCR NOx Conversion Efficiency Very Low
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