SCT X4 Power Flash (Ford 7015,GM 7416 ,Chrysler 7215) - Manual (Page 10)

SCT PERFORMANCE, LLC.
User’s Manual
3.0 Programming your vehicle
3.1 Installing a Preloaded Tune File
1. Connect the X4 to your vehicle’s OBD II service port using the OBDII cable provided in the
packaging.
2. With the unit powered on and connected to the vehicle, highlight and select the “Program
Vehicle” option.
3. Next you will be prompted with a “Street Use Notice” which you must agree to. If you approve
and agree, press the center button on the keypad to select “Continue” to proceed.
4. You may be prompted to “Turn Key On”. If so, please turn the ignition key to the “On” position
but do not start the vehicle. Highlight and select “Continue”
5. A screen will appear asking you to select your vehicle. Using the Down arrow key, highlight and
select the appropriate vehicle model from the list of vehicles provided.
6. Next you will be prompted to adjust options. These options are items available from SCT to
make minor adjustments to the calibration being loaded. It is not necessary to make adjustments
in this area. If you wish to make an adjustment, simply press the option you would like to change
and the screen will change to display the available values for that option. When you are satisfied
with the values of these options or if you do not wish to change them, simply press the right
arrow to highlight “Approve”.
7. You will now be prompted with a screen to review your vehicle and options (if any selected).
Press “Continue”.
8. The next screen, possibly two, will differ between vehicles. You will be prompted to “Turn key
Off” and/or “Turn Key On”. It’s important here to follow the prompts from the device.
9. X4 will now download the current file that is in your vehicle, referred to as the “Stock File”, and
will proceed to upload the new calibration you have selected, with all options applied if you have
selected any, to your vehicle.
10. After this is complete, the device will display a “Download Complete” screen. You can now turn
the key to the off position and select “Done”.
11. For GM vehicles you may see a “Power Down ECU” screen while the vehicle completes some
power down procedures.
12. You have now successfully tuned your vehicle!
Which tune file do I choose?
Gasoline Engine: Tunes are based on Octane, make sure you choose the correct octane rating
based on the octane you are running in your vehicle.
 87 Octane
 91 Octane
 93 Octane
Diesel Engine: We offer a few tunes based on what you’re going to be doing with your truck.
 Street:
Less power than Performance. Moderate gain over stock, safe for light towing, under 5k
lbs.
 Performance:
The most aggressive preloaded diesel tune. Good for everyday use, racing, or
economy but not recommended for any type of towing.
 Tow:
Should be used when towing any significant load. Shifting is towing centered