Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 3249, Aftertreatment DPF Intake Temperature – MID 128 PPID 387 58 FMI 5 • Current below normal or open circuit • Short to battery on the metering side of the circuit • Open in the metering side of the circuit • Open in the ground side of the circuit • MIL illuminated • Faulty harness • Faulty sensor • Aftertreatment control module (ACM) FMI 15 • Data valid but above normal operating range - Least severe level • Temperature sensor is out of range (high) • Sensor indicates a invalid value • MIL illuminated • Faulty harness • Faulty sensor Type of fault: FMI Description: Fault Condition: Possible Symptoms:
Possible Cause:
FMI 2 • Data erratic, intermittent or incorrect • Sensor is not rational (plausibility) • MIL illuminated • Aborted regeneration • Faulty harness • Faulty harness connectors or connections • Exhaust system leak • Faulty sensor FMI 4 • Voltage below normal, or shorted to low source • Short to ground on the metering side of the circuit • MIL illuminated • Aborted regeneration • Faulty harness • Faulty sensor • Aftertreatment control module (ACM) FMI 5 • Current below normal or open circuit • Short to battery on the metering side of the circuit • Open in the metering side of the circuit • Open in the ground side of the circuit • MIL illuminated • Regeneration not possible • Faulty harness • Faulty sensor • Aftertreatment control module (ACM) FMI 15 • Data valid but above normal operating range - Least severe level • Temperature sensor is out of range (high) • Sensor indicates a invalid value • MIL illuminated • Faulty harness • Faulty sensor