Detroit DD15 GHG14 (2014-16) Fault Code: SPN 520253 FMI 14 (MCM) Software Reset Detected Due to an Error in Engine Speed Plausibility
NOTE: Reprogram MCM with the latest software release.
NOTE: This fault may be caused by an external fuel source or torque out-of-bounds. Check injectors, alternative fuel sources or add on devices that may be requesting torque modifications.
PROBABLE CAUSES:
1. Check for failed cylinders/injector.
2. Reprogram the MCM with the latest version.
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