Detroit DD15 GHG14 (2014-16) Fault Code: SPN 520279 FMI 7 (MCM) Starter Inhibit Due to Software Control Monitor
NOTE: Please see the step by step troubleshooting procedures for this specific code.
NOTE: If there are any codes present for neutral switch, clutch switch, or prake brake switch fix those first.
PROBABLE CAUSES:
1. Parameters in engine not configured properly.
2. Program MCM2.1 to the latest software release.
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