I had sort of the opposit problems with my 2007. When it was cold and I would start driving it would have problems. When I came to a stop sign it would start slowing down and then hard down shift. I felt like the whole vehicle moved when it did this. I took it in a couple times and then actually had to leave it over the weekend before they could replecate the issue. They found out the problem was a software upgrade was needed with the transmission. After they did that, I didn't have anymore problems.
If you're still watching the thread, I have a 2007 Edge with 43K miles and only a burned wheel bearing as far as significant mechanical failures. I took it in twice (before the warranty expired) with the hard 1-2 upshift, no help from Ford. I have found that this just about always happens when the trans is cold. If you start moving slowly, then shift to neutral and goose the throttle, then shift back to Drive (before pulling out onto a major street), this will just about eliminate the harsh upshift. It won't work unless you are moving first, doing this while you are parked will not have an affect. My theory is that one or more of the check balls in the auto trans is not properly sized and binds up when the fluid is cold. Goosing the throttle seems to cause something to move into position and either allow fluid to flow or cause fluid to stop. Not a transmission guy so I don't know what actually happens, just that it works.
Big Bang Theory!
in 2008 Edge & MKX
Posted
I had sort of the opposit problems with my 2007. When it was cold and I would start driving it would have problems. When I came to a stop sign it would start slowing down and then hard down shift. I felt like the whole vehicle moved when it did this. I took it in a couple times and then actually had to leave it over the weekend before they could replecate the issue. They found out the problem was a software upgrade was needed with the transmission. After they did that, I didn't have anymore problems.