12.0 is low. Around 12.7 to 14.7 is what I see.
Pushing the pedal shows around 12-13+ volts, and releasing the pedal shows around 14.2 - 14.7 for me.
I believe one is the reading from the alternator, and the higher one from the battery.
I have no problem with ESS. On street driving when the turbo is not too hot, I prefer ESS. But I do turn ESS off when I drive on the highway or under load and come to an exit where I have to stop at a light. Stop/Start should have been programmed not to be active when the turbo is hot.
You have to program blank XGauges. You have to enter the 4 sets of commands for each XGauge and give it a name.
The commands are in the link below for EcoDiesel.
You would probably get the latest if you order from Scangauge but can't be sure if you buy from anywhere else. However I bought from my neighborhood Auto Zone store and it turned out to have the latest version.
Pretty easy and I only look at the first 5 numbers after the state code. First 2 number minus 1 = year manufactured. If it is 21 then 21 - 1 = 20, so 2020 is the year of the manufacture.
The next 3 digits needs to be subtracted by 365 to get the month and date of manufacture. If it is 165, then...