Mack Trucks — Mack Trucks Service Manual ECM DTC Guide 2010 Emissions MRU

Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 3250, Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature MID 128 PPID 440/ PSID 22 59 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:

FMI 1 • Data valid but below normal operational range - Most severe level • Maximum allowed multiple aftertreatment DPF burner fal me loses • Yellow electronic malfunction lamp illuminated • Regeneration not possible, need scab tool to reset • Malfunction in aftertreatment DPF burner hydrocarbon dosing system FMI 2 • Data erratic, intermittent or incorrect • Aftertreatment spark assisted DPF fal me temperature sensor value deemed not plausible • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Faulty sensor FMI 3 • Voltage above normal, or shorted to high source • Circuit shorted to + • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Aborted regeneration • Faulty harness • Faulty sensor FMI 5 • Current below normal or open circuit • Open circuit • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Faulty harness • Faulty sensor FMI 9 • Abnormal update rate • Aftertreatment DPF burner flame temperature not controllable • Yellow electronic malfunction lamp illuminated • Faulty in Aftertreatment DPF burner fuel system FMI 10 • Abnormal rate of change • Maximum allowed multiple aftertreatment DPF burner fal me loses • Yellow electronic malfunction lamp illuminated • Regeneration not possible, need scab tool to reset • Malfunction in aftertreatment DPF burner dosing system FMI 11 • Failure mode not identifiable • Single aftertreatment DPF burner flame lose • Yellow electronic malfunction lamp illuminated • Aborted regeneration • Malfunction in aftertreatment DPF burner dosing system