We just had this same thing happen. Went straight to our dealership. It did it twice and couldn’t get it to do it again at the dealershipI have a 2021 PowerBoost with the B&O sound system and about 2500 miles on the truck. A week ago I was driving and decided to turn the audio on. As soon as I hit the screen button for CarPlay the system went crazy and started blaring a horrible sound at full volume. Scared the @#$% out of me. It wouldn't respond to any controls so I pulled over into a parking lot. I figured if I shut the truck off it would at least stop - wrong. I turned the truck off, got out, shut the door, messed with the FOB and no change. I finally got back in and drove the 4-5 miles home with my ears plugged and steering with my knee as much as possible (got some really interesting looks from a few people on the way). When I got home I pulled the battery and it finally stopped after a minute or so. I reconnected the battery and as soon as I opened the door it started again. Disconnected the battery again and this time it took maybe 5 minutes to stop, maybe because of the aux 12V battery in the cab. It was dark out so once it finally stopped I just left it in the driveway. I can't tell you how loud it was - like military crowd control loud. The videos attached show it but I think it overwhelmed the mic on my phone and it doesn't convey it well. My ears were ringing for over two hours after my short drive home.
The next morning I pulled the fuse for the amp and took it to the dealer. They had it this whole past week and were not able to reproduce the problem despite driving it and cycling the sound system on and off many times. I made it very clear that this isn't just a weird problem, it's a serious safety issue. They didn't disagree. I requested that they replace whatever in the system was most likely to be the cause which I assumed would be the amp but who knows. They denied the request and said they couldn't do anything about it, so I just have to pick up the truck today. This really sucks because I don't trust it now. I'll have to keep the fuse panel cover off with some kind of handle attached to the amp fuse in case it does it again. It's not easy to get to and I need a quick stop option if it does it again. I'm also concerned that the speakers got damaged but according to the dealer they are fine. We'll see... This whole thing is just a totally unacceptable situation.
I just wanted to post this to document it in case it's not an isolated incident. The dealer said if it does it again to just pull the amp fuse and not disconnect the battery so they might be able to diagnose it. They think the overnight battery disconnect reset everything which makes sense but it doesn't give me any confidence in the thing going forward.
I think you're the only one who can answer that. I get nervous everytime my just turned 1 year old is in the truck. I haven't had it happen at all, but still nerve-racking that the possibility is there since we're not 100% sure what causes it to happen. Seems like some people have gotten it to stop by changing audio sources.Curious of everyone's opinion. My truck just shipped. We have a newborn at home (11 days old) and I'm now very concerned with putting him in the truck with the possibility of this happening. I've been following this ongoing issue since May assuming it would have been resolved by now.
If I just take the #28 fuse out would this prevent the possibility of this issue happening. What all wouldn't work with the #28 fuse out? At this rate though, I could be driving for a long time with the fuse out. An $80k truck with disabled features...I'm trying to look past that part right now.
I'm also considering just canceling my order now. I know 700,000+ f150s were sold in 2021 but I think a better ratio of this known issue happening is taking the number of users on this website and comparing that number to the number of reported issues on here. That ratio is much more telling than the 700,000+ number, IMHO.
Good morning! I can assist with your sound concern on my end. Can you send over a DM with your VIN and Ford dealer info?Add another to the list. 2600miles on the dot. Blew my eardrums out as soon as I pressed the start button. Ringing in ears and headaches all day today. Had CarPlay connected. Entire radio went black and nothing worked until I stepped out. Pulled fuse #28 and no more problems. Other than the fact that I have no sounds.
Neighbors definitely didn’t appreciate it at 5:30am.