Ordered new tires at Costco for installation on 8th November 2025.   Price was pretty good.   The "W" speed rating version are $170 more than the "S" - I confirmed from my photos that the original tires were the "S" rating so that what I went with, and the fact that the Sport and myself aren't going to get anywhere near the speed rating of the "W".

Hello all, 2020 Edge 2.0 Ecoboost SEL AWD   While passing some trucks on the freeway, on boost, the wrench light comes on.  Stop for coffee, start back up and the wrench is gone, but the CEL is on.  Back to the freeway, power way down, cruise control doesn't work.  Finish my trip, go home and Forscan (using that to try and figure out the low speed surging issue, unsuccessfully so far) shows two codes:   P0243 Supercharger Wastegate Actuator 'A' Status (-68) P0299 Turbo/Supercharger 'A' Underboost Condition   Status (EB)   In to the dealer, who said the problem was the 'wastegate solenoid'.  It would be covered under the powertrain warranty.  There was a two week wait for the part to come in.  I asked if I could have the part after they installed the new one and was told 'No, we have to send the part back to Ford', but you can look at it in the parts department after the repair.   While waiting, I tried to look up the part just to see what it looks like, how much an aftermarket part would have cost, etc.  Everything I found showed a part that looks a lot like one of the hundreds of other sensors on this engine, with some vacuum hoses sticking out and an electrical connection.   Okay, two weeks later I bring the car in, get a loaner, come back later that day, and ask to see the broken part.  The lazy POS behind the parts counter started giving me a bunch of BS about having no way to find it, needed a number, blah blah.  Another guy, sitting two chairs away, said he would handle it.  In 60 seconds, he looked at the computer, got up and went straight to the shelves, and came back with a box and some parts:   That, along with the arm that connects it to the wastegate and some nuts and/or bolts. At first I did not believe that was the part from my car, which led me to wonder whether they did anything at all, and just cleared out the codes in the PCM. But I climbed under the car and sure enough, I could (just barely) see a new version of that part on my engine.   It appears my engine has parts from the 2021+ Lincoln Nautilus:     Okay, whatever.  So my car (original window sticker mentions a twin-scroll turbo) has a motor controlled wastegate rather that the vacuum operated one. The build date on my car is December 2020 (yeah I know, Covid car) and it was built on the same line as the Nautilus, so maybe it makes some sense it has some 2021 Lincoln parts on it.   But now I'm left with more unanswered questions:   Does the PCM in my Edge -know- it is controlling parts from a Nautilus? Is there special software for one or the other? Are the folks at Ford dealer service dept. up to the task of keeping track of all this? Could the mixup be causing the surging and/or schizo shifting issues?   The only thing I know for sure is, if you have a modern car and don't have an extended warranty (a good one if there is such a thing), you are so screwed.                

That’s a great point — I’ll definitely have the battery tested for CCA instead of just relying on voltage. Makes sense that low current under load could trigger those random electronic errors. Thanks for the tip and the link!

Cool.  Thanks for reporting back with a fix.

Problem solved. Someone mention checking the nuts that tighten the license plate in the back.  They were tight but left space for the lower part of the plate to move freely. I replaced the nuts for others bought at an auto part store. It was actually the license plate's lower part flying freely with speed and making the noise.  Nuts replaced, license plate cannot move anymore. The noise is gone. 

Problem solved. Someone mention checking the nuts that tighten the license plate in the back.  They were tight but left space for the lower part of the plate to move freely. I replaced the nuts for others bought at an auto part store. It was actually the license plate's lower part flying freely with speed and making the noise.  Nuts replaced, license plate cannot move anymore. The noise is gone. 

See if this video helps.     

I am old fashioned. I know manufacturing techniques are better today, but when I bought my Edge straight from the dealer, I had the engine oil changed at 1,000 miles and the transmission fluid completely flushed at 15,000 miles (my Edge is not AWD so no differential or I would have also changed it early.) 

It is bad rubber molding The crap just falls apart due to UV and heat. I know as I have an 08 Limited. At 1st it was an air leak I fixed with a length of vacuum line to hold the window in and stop the air leak. (Driver's side) 

If the noise you're hearing is coming from the back of the dealer, check for a TSB that applies to the rear differential.  Not sure if that's where your sound is coming from, but I do know there were some issues with improper oil levels or something similar that lead to failure.  The differential on my GF's vehicle was replaced when the dealer took delivery of it (used), so I'm assuming it was on the way out.