Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 3482, Aftertreatment Diesel Particulate Filter (DPF) Fuel Shutoff Valve MID 128 PPID 328 ECM SPN 3483, Aftertreatment Regeneration Status – MID 128 PSID 47 66 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 3 • Voltage above normal, or shorted to high source • Circuit shorted + • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Failed regeneration • Soot build up • Faulty harness • Faulty fuel shutoff valve FMI 4 • Voltage below normal, or shorted to low source • Circuit shorted – • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Soot build up • Faulty harness • Faulty fuel shut off valve FMI 5 • Current below normal or open circuit • Open circuit • MIL illuminated • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Failed regeneration • Soot build up • Faulty harness • Faulty fuel shut off valve FMI 7 • Mechanical system not responding or out of adjustment • Fuel pressure >620 kPa (90 psi) • Yellow electronic malfunction lamp illuminated • Regeneration not possible • Soot build up • Faulty fuel pressure sensor • Fuel shutoff valve stuck open Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 0 • Data valid but above normal operational range - Most severe level • Unable to achieve needed aftertreatment temperature • MIL illuminated • Possible incomplete regeneration • Aftertreatment hydrocarbon doser clogged • Aftertreatment hydrocarbon doser fuel pressure too low