Detroit DD15 EPA10 (2010-13) Fault Code: SPN 65279 FMI 15 (MCM) Water-In-Fuel (WIF) Ignored-Derate

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. Drain the fuel filter module by removing the fuel filters or opening the drain valve. Hand tighten the drain plug and prime the fuel filter with the hand pump. If code doesn’t come back, problem solved.
2. Reset the water in fuel indicator.
3. Failed water in fuel sensor.