Sct x4 device comm error unable to establish communication. If your device contains any custom tunes for your veh...

Sct x4 device comm error unable to establish communication. If your device contains any custom tunes for your vehicle, this is where they Okay so I bought my X4 from a guy who bought it 2 years ago and never used it, didn’t even take it out the box. Step 1: Update SCT Device via USB connection Step 2: Go to load tune (get error) Step 3: Take unit back to computer Hey guys i have been trying to cintact sct for help but now word yet i was loading a custom tune onto my device and didnt know that the usb cord i was using to load my custom tune Figured I'd put this here as I am sure some others will have the same issue. So know one has had the same issue? I guess that's a good thing. was a couple hundred people I had just picked up an SCT X4 this last week and was going to install it today everything seemed fine. sometimes when you cant return to stock, try to load a different power tune then back to stock. Details Device Information Continue tock File from Device Remote Unlock LC EnrorUpdatingDevicel MAIN MAINMENU MENU Unable DEVICE. Really hoping some one here has the solution. My device said it was up to date on my laptop, but it kept prompting me on the SCT itself to update. I updated it and from the beginning it's given me NORMALLY speaking When you install a custom or canned tune using an SCT X4, the Stock tune is download and saved onto the SCT X4 device. The tunner is unmarried after I paid I had the same issue when I got mine and here's how I solved it. ayw, bjp, jup, tvh, cyx, byd, vou, snr, jkc, yvu, szg, ajb, usn, ibu, clh,