Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 3484, Aftertreatment Ignition – MID 128 PSID 110/PSID 127 67 FMI 1 • Data valid but below normal operational range • Aftertreatment temperature too high • MIL illuminated • Possible incomplete regeneration • Aftertreatment hydrocarbon doser clogged • Aftertreatment hydrocarbon doser fuel pressure too high • Injector leakage (engine) FMI 10 • Abnormal rate of change • Regeneration period too long • MIL illuminated • Regeneration frequency too high • Aftertreatment hydrocarbon doser • Air leakage • Faulty injector(s) (engine) FMI 12 • Bad intelligent device or component • Regeneration efficiency too low • N/A • Aftertreatment hydrocarbon doser clogged • Diesel Particulate Filter (DPF) catalyst damaged • Diesel Particulate Filter (DPF) catalyst clogged FMI 13 • Out of Calibration • Regeneration period too long • MIL illuminated • Regeneration frequency too high • Aftertreatment hydrocarbon doser • Air leakage • Fuel line clogged FMI 15 • Data valid but above normal operating range - Least severe level • Unable to achieve needed temperature • MIL illuminated • Possible incomplete regeneration • Aftertreatment hydrocarbon doser clogged • Aftertreatment hydrocarbon doser fuel pressure too low FMI 17 • Data valid but below normal operating range - Least severe level • Aftertreatment temperature too high • MIL illuminated • Possible incomplete regeneration • Aftertreatment hydrocarbon doser clogged • Aftertreatment hydrocarbon doser fuel pressure too high • Injector leakage (engine) FMI 31 • Condition exists • Regeneration period too long • MIL illuminated • Regeneration frequency too high • Aftertreatment hydrocarbon doser • Air leakage • Fuel line clogged Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 0 • Data valid but above normal operational range - Most severe level • N/A • MIL illuminated • Yellow electronic malfunction lamp illuminated • Aborted regeneration • Faulty harness • Faulty aftertreatment DPF coil