Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 3473, Aftertreatment Failed to Ignite – MID 128 PSID 22 ECM SPN 3480, Aftertreatment Diesel Particulate Filter (DPF) Fuel Pressure/ MP8 Engine – MID 128 PPID 437/PSID 108 64 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 7 • Mechanical system not responding or out of adjustment • Multiple failed aftertreatment diesel particulate filter (DPF) ignition failures • Yellow electronic malfunction lamp illuminated • Aborted regeneration • Faulty aftertreatment DPF ignition coil • Aftertreatment DPF burner system malfunction • Hardware failure FMI 14 • Special instructions • N/A • Yellow electronic malfunction lamp illuminated • Aborted regeneration • Aftertreatment ignition system malfunction Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 2 • Data erratic, intermittent or incorrect • DPF fuel pressure sensor is not rational (plausibility) • Aftertreatment hydrocarbon doser fuel pressure too low • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Faulty aftertreatment fuel shut off valve • Faulty DPF fuel pressure sensor • Air in fuel • Fuel filter • Aftertreatment fuel pump FMI 3 • Voltage above normal or shorted to high source • Short to battery on the metering side • Open in the ground line • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Faulty harness • Faulty DPF fuel pressure sensor FMI 5 • Current below normal or open circuit • Open circuit in the 5 volt supply • Short circuit to ground in the metering line • Open circuit in the metering line • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Faulty harness • Faulty DPF fuel pressure sensor FMI 7 • Mechanical system not responding or out of adjustment • Mechanical problem • MIL illuminated • Engine derate • Possible engine shutdown • Regeneration not possible • Faulty aftertreatment hydrocarbon doser system • Aftertreatment hydrocarbon doser • Faulty aftertreatment fuel shut off valve • Aftertreatment fuel pump