PROBABLE CAUSES:
1. Check all connections upstream to the MCM (ATD 10-pin connector, vehicle interface module 31-pin connector, MCM 120-pin connector).
2. Defeat device installed on vehicle.
3. DPF inlet pressure hose assy.
4. Forced regen.
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3609 FMI 10 (MCM) Diesel Particulate Filter (DPF) Inlet Pressure Sensor Connector Fault
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3609 FMI 8 (MCM) Temperature Shift on the Diesel Particulate Filter
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3609 FMI 4 (MCM) No Information Available
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3609 FMI 3 (MCM) No Information Available
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3609 FMI 2 (MCM) DPF Inlet Pressure Sensor Failed
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3603 FMI 9 (CPC) ESS Message is Missing