PROBABLE CAUSES:1. DOC outlet temperature sensor harness/connector.2. DOC outlet temperature sensor.3. Failed fuel injector.4. Remove the DPF and inspect for coolant or oil contamination. If found, find source of leak.5. Perform a parked regen.6. Electrical connections upstream of the ECM can also cause this code: ATD harness 10-pin connector, VIH 31-pin connector, and MCM 120-pin connector.7. DPF inlet pressure sensor.8. DPF inlet pressure sensor harness/connector.
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 16 (MCM) Diesel Particulate Filter Outlet Temperature – High
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 14 (MCM) Diesel Particulate Filter Temperature Rise
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 10 (MCM) Diesel Particulate Filter Outlet Temperature Sensor Stuck
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 8 (MCM) Motor Control Module Has Detected an Impossible Temperature Shift on the Diesel Particulate Filter Outlet Temperature Sensor
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 4 (MCM) Diesel Particulate Filter Outlet Temperature Circuit Failed Low
Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 3 (MCM) Diesel Particulate Filter Outlet Temperature Circuit Failed High