The simplest way to tell is to plug in the Gryphon. If it boots normally and shows your hex code, you're probably fine in the "flash" department. However, if it does not seem to recognize your truck, then the truck was almost certainly flashed. If this is the case, Bill can return it to stock for a fee ($75 I think). And, your tunes will have to be completely rewritten, at the normal cost for tunes.
But, if it's been flashed and doesn't run right, you need to return it to the "garage" and tell them to fix it. It sounds like something is still screwed up and a "tune" will not correct whatever they've messed up.
- Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam
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