Conditions For Setting DTC

Engine is running.
No EGR flow DTC set.
EGR position is less than 3 percent, for 5 second.
Intake Air Temp is more than 37.4°F (3°C).
Desire EGR position is less than 3 percent.
The difference between desired EGR and current EGR is more than 15 percent, for 15 seconds.