Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 105, Engine Intake Manifold 1 Temperature – MID 128 PID 105 19 FMI 1 • Data valid but below normal operational range - Most severe level • Turbocharger speed is at least 25% less than the target wheel speed for the measured boost • Engine derate • MIL illuminated • Miss detection • Faulty harness • Faulty harness connector • Turbocharger Speed Sensor FMI 9 • Abnormal update rate • A fault is logged if the Turbocharger Speed Sensor signal is lost • Engine derate • MIL illuminated • Faulty harness • Faulty harness connector • Turbocharger Speed Sensor FMI 15 • Data valid but above normal operating range - Least severe level • 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 FMI 17 • Data valid but below normal operating range - Least severe level • Turbocharger speed is at least 25% less than the target wheel speed for the measured boost • Engine derate • MIL illuminated • Miss detection • Faulty harness • Faulty harness connector • Turbocharger Speed Sensor Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 0 • Data valid but above normal operational range - Most severe level • Sensor indicates a invalid value • Engine derate • Poor cooling • Extreme running conditions FMI 2 • Data erratic, intermittent or incorrect • The Intake Manifold Temperature sensor output is too high or too low • Engine derate • MIL illuminated • Poor cooling • Extreme running conditions • Engine Intake Manifold sensor • Faulty harness • Faulty harness connector • Ambient Air Temperature sensor FMI 4 • Voltage below normal, or shorted to low source • N/A • Difficult to start in cold climates • Minor cold engine smoke • Engine derate • MIL illuminated • Engine Intake Manifold sensor • Faulty harness • Faulty harness connector FMI 5 • Current below normal or open circuitt • Possible short to sensor • Difficult to start in cold climates • Engine derate • MIL illuminated • Engine Intake Manifold sensor • Faulty harness • Faulty harness connector