Mine is for 1999-2017 trucks with 4.3L, 4.8L, 5.3L, 6.0L, 6.2L, and 8.1L motors so I would think it should work

i recently bought the predator p2 for my 2003 Silverado 4.3, i tried to use it on my truck and all it says is "calibration file not found". i have tried to update it multiple times along with making sure the update tool is up to date as well I've un-installed and reinstalled the update tool multiple ...