I have a bunch of Cummins base files but I cant seem to use my magical decoder ring to determine the correct base tune. its my first time tuning but I think I have a handle on it other than finding my base tune.

1. Connect EFI live and flash the BootRSA_Patch to the ECU
2. Flash Base Tune to ECU


CM2200
E/C CM90003.16

Its a 2011 RAM Chasis Cab