You can return the truck to stock at the Ford dealer easy enough. Your hex code will change, but with a "stock" Gryphon it won't matter.
At that point, try turning on the ignition BEFORE plugging in the OBD2 cable in the truck.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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