Did you properly have the car in "On" but not started during tuning, and make sure you didn't interrupt the process at any point by unplugging/bumping the accessport or letting the car turn off? And when it was finished did you wait the 10 or 15 seconds it recommends in the "OFF" position before starting? Maybe it got glitched or something, I'd do what the guy before me said and just uninstall/reinstall.
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