Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 103, Engine Turbocharger 1 Speed – MID 128 PID 103 18 FMI 3 • Voltage above normal, or shorted to high source • A short to battery in the metering circuit • An open in the ground circuit of the Intake Manifold Pressure Sensor • Engine derate • MIL lamp illuminated • Faulty harness • Harness connectors • Intake Manifold Pressure sensor FMI 5 • Current below normal or open circuit • A short to ground in the harness • An open in the 5 volt supply circuit • An open in the metering circuit • Engine derate • MIL lamp illuminated • Faulty harness • Harness connectors • Intake Manifold Pressure sensor FMI 12 • Bad intelligent device or component • Intake Manifold Pressure sensor output is too high • Sensor indicates a invalid value • Engine derate • MIL lamp illuminated • Faulty harness • Intake Manifold Pressure sensor FMI 13 • Out of Calibration • Sensor indicates a invalid value • Engine derate • MIL lamp illuminated • Faulty harness • Harness connectors • Intake Manifold Pressure sensor FMI 14 • Special instructions • Intake Manifold Pressure sensor output is too low • Sensor indicates a invalid value • Engine derate • MIL lamp illuminated • Faulty harness • Intake Manifold Pressure sensor • Inlet air leakage FMI 15 • Data valid but above normal operating range - Least severe level • Intake Manifold Pressure sensor output is too high • Engine derate • MIL lamp illuminated • Faulty harness • Harness connectors • Intake Manifold Pressure sensor FMI 17 • Data valid but below normal operating range - Least severe level • Sensor indicates a invalid value • Engine derate • MIL lamp illuminated • Faulty harness • Harness connectors • Intake Manifold Pressure sensor Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 0 • Data valid but above normal operational range • Turbocharger speed is at least 25% greater than the target wheel speed for the measured boost • Engine derate • MIL illuminated • Miss detection • Faulty harness • Faulty harness connector • Turbocharger Speed Sensor