Help...unplugged battery
I was adding a new head unit to my truck and unplugged the negative terminal on the battery with the gryphon plugged in and my custom tune (87 performance) programmed on the PCM. Realizing that I probably shoudnt have done this, I plugged everything back in and returned the truck to stock tune. After finishing with the HU install I hooked everything back up and programmed the truck back to level 1 (87 perf) and it now seems like this is the stock tune. I programmed it back to stock and now that seems like the 87 performance tune.
Any thoughts or help?
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