This Purchase is only necessary after 15 days tune file Purchase. We will tweak at no charge for the first 15 days. (APPLIES ONLY TO LEVEL 1 CHANGES; ALL OTHER REVISION LEVELS REQUIRE AN ADDITIONAL PURCHASE..) INCLUDE YOUR VIN AND PREVIOUS ORDER # IN THE TEXT BOX SOTF UPGRADE - Going from a SINGLE HP tune file to SOTF Package Transmission Tuning Add-On - Going from no trans tuning to adding trans tuning to your CURRENT Tune File Package. (Only Applies to 2010-2024 Trucks ONLY) Transmission Tune Revision - Making changes to your already purchased trans tuning Minor transmission shift point, TC tweaks. Part Lock to Locked Shifts (Must already have our trans tuning)-Valve Body Pressure (Must already have our trans tuning) Level 1 - This revision charge is for SMALL changes. These changes consist of the following: -Power level changes going from 120HP to 200HP (on stock fuel) Single tune files only-VGT Idle sounds changes (Rumble, Whistle, Stock Sound)-Turn off Coolant Warning level on dash-Removal of ANY P0 Codes Level 2 - This revision charge is for LARGE changes. These changes consist of the following: -Injector changes-Cp3 Pump Changes (ANY)-Turbocharger Changes - (IF 2nd gen swap, or compounds, include your new Cold air Intake Size for proper tuning)-Anything AIR or FUEL related that will involve time and datalogging to dial in your truck again.-Disable SKIM/IMMO- Map sensor changes, Stock to 10 bar. - Rescaling of a sensor. NOTE: ALL OUR TUNES COME WITH THE FOLLOWING -WIF Light on the Dash Removed - IF YOU UNPLUG IT, otherwise remains active -CCV Delete - IF YOU UNPLUG IT, otherwise remains active -Grid Heater Delete - IF YOU UNPLUG IT, otherwise remains active (Unplug small wires on heater relay) EM MAGIC - Only purchase this if instructed to do so by CA Performance. Otherwise DO NOT Purchase *IF YOUR CHANGES ARENT LISTED PLEASE EMAIL US PRIOR TO PURCHASE**YOU NEED TO HAVE CA PERFORMANCE FILES PRIOR TO THIS PURCHASE*