I'm not sure about that as some have stated that the code they received stopped them from starting the vehicle so I'm assuming it could be a hard code.
To be honest I've only read about this happening to two people.
That sounds correct. We've helped hundreds of customers upgrade intercoolers over the years. With the FMIC, the shutters motor has to stay plugged in and out the way and you won't get a code. And I know COBB has a dummy plug for the fans.
On the 2024+ trucks, you now need the intercooler motor bracket as well or it will throw a code without them.
But on a Gen 2, you should be fine.