Quote:
Originally Posted by NytWolf
What is an ESS tune -- OBDII port tune, piggyback, ECU flash? Trying to understand how it works. I look at the website and see two products, both with wiring harnesses.
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Simply read your file (OBD2) with the provided cable/software and it gets sent to ESS for tuning. Once your tune is received, flash and you're set. Couldn't be easier.
You can flash back to stock if needed as well as read/clear diagnostic codes.