Originally Posted by
Brian460
Wanting to know it you have to replace the FICM will one from any 6.0 work or does it need to be for the year I have?
2003-2007 FICM's are the same. It is the programming flashed to the unit that is different. I have swapped units to my truck several times. If the FICM has a strategy similar to your truck, it will run fine. There will just be a VIN mismatch error between the FICM and PCM.