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From the main menu, choose “Program Vehicle”.The following process will help you return your car to stock using the SCT X4/SF4 tuner: When the prompt disappears, you will see the message “Clearing DCE”, which indicates that the device communication error has been resolved, and you can disconnect the device from the PC.Select “Device settings and serial number” to appear.
![sct x4 tuner sct x4 tuner](https://www.stage3motorsports.com/assets/images/SCT-7015SCTX4HandheldTunerVehicleProgrammer17.jpg)
Bring the device close to the computer with Windows operating system.If you are currently experiencing connectivity problems with the device, follow these steps: This error occurs when the device’s internal memory cannot be read, or when the device’s firmware or tone revision is missing.
SCT X4 TUNER HOW TO
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SCT X4 TUNER SERIAL NUMBER