Hah! There's lots of interesting info here, thanks everyone for the info... jtex, you're able to change the value charge settings with the 3G modem in the vehicle? Is there a short path to get there with just a firmware upgrade???
I was planning to go to the dealer under CSP 21B09 and pay for the modem, but the thing that's most valuable to me is the ability to set Go times to warm-up the vehicle and thus save gas in the winter. I could mostly care less about lock/unlock/remote start. (remote start doesn't really work when the vehicle is plugged in, anyway, right?)
Really annoying that changing Go times is all grayed out in the vehicle interface because the modem can't talk... has anyone actually gotten the dealer upgrade and seen FordPass succeed in viewing/change Go time and temperature settings? If that doesn't work, I'm not sure it is worth the $300 for the TCU... ESPECIALLY if someone has a decent path to get the Go Times settings on the SYNC HMI running on the vehicle APIM to work again without messing with a new 4G TCU.