Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3480 FMI 16 (MCM) High Hydrocarbon Doser Supply Pressure High

NOTE: The code occurs when the cut off is commanded to 100% and the compensation pressure is greater than 95 psi.

NOTE: If there are any other fuel system codes or 3480-14 present, fix those first.

PROBABLE CAUSES:
1. Failed doser pressure control valve in the high pressure flange.
2. Perform parked regen.