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Potential Tuner
EcoDiesel "write software update"?
I used HPTuners to flash my 2014 EcoDiesel Grand Cherokee about a year ago and don't remember seeing it then, but today I hooked up to load a different file (really just a few adjustments to the same file) and noticed the drop down menu that allows you to select a calibration flash or full flash had another option that said "write software update" or something to that affect. What software update is this, and what purpose does it serve?
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Tuner
That is part of the initial process you need to do the first time you tune a ecodiesel (with HPT). Once it has been done once you don't need to do it again.