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Thread: XF7 Negative Response Code

  1. 10-04-2020 #1
    HemiX2
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    XF7 Negative Response Code

    Sorry, the title should read, "X7F Negative Response Code". Does anyone know what the following code means and how to correct it? The code is, "X7F, Negative Response Code". I was trying to load the complete transmission file from one of my Hemi LX's to the other. Both vehicles and all files are licensed. Is there some secret to loading a file from one vehicle to another when everything is properly licensed?
    Last edited by HemiX2; 10-06-2020 at 07:18 PM.
    Two (now Three) Hemi's, an 05 5.7 Magnum, an 06 300C SRT8 and an 06 5.7 Jeep Grand Cherokee, all somewhat modded. The 5.7's are modded almost the same with advanced (10* for Maggie and 6* for the Jeep) FRI Sidewinder cams/6.1 valve trains, ported/milled heads w/new valve seats, SC, DS and HP Tuners, headers, cat. backs, underdrive pulleys, SOS coils, catch cans, 90 mm throttle bodies, plus a bunch of cosmetic stuff. 06 300C SRT8, Comp. Cammed, HPT tuned, Foose wheels, 85 mm TB.
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