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I converted my Stage 4 setup back to stock in preparation to sell and tried to write a Stage 2 base map to my ECU after I was done with all the install. I took my time putting everything back together so there was about 5 days from the last run. I did leave my battery connected and apparently that was enough to drain it. As I was writing my base map I kept getting errors. After trying a few times I had realized that my dash lights were very dim and that I was trying to write while communication was probably intermittent. Long story short, I have charging the battery, I can't flash ANY maps, NO communication with ECU, no LV's, nothing. WHAT HAVE I DONE!?