Anyone else having SYNC issues or battery problems in cold weather?

I’m not sure if this is because of a SYNC update or the cold weather, but I’ve been having some issues with my 2023 Lariat F150.

  1. The truck doesn’t start when I use the app scheduler.
  2. The outside lights don’t come on when I walk up anymore.
  3. The passenger side door doesn’t unlock when I grab the handle or lock when I press the button.
  4. When I turn off the truck, the screen now says it’s shutting down to conserve battery.

I’ve checked all the settings, and nothing seems to have changed. Anyone else experiencing these problems?

I had similar issues before. When I took it to the dealership, they tested the 12V battery, which was fine, but they couldn’t replicate the problems. I think it might’ve been loose battery connections because disconnecting and reconnecting the battery seemed to fix it.

I called Ford, and they told me my battery is at 40%, which they said is likely causing the issues. Apparently, when the battery is low, the truck disables some features to save power.

I’m taking it in tomorrow. I only got the truck last March. Shouldn’t the battery last longer than this?

@Denny
I got my 2024 in March too. The battery should definitely last longer. I’m thinking about upgrading to an H7 battery if my replacement doesn’t hold up. By the way, what number did you call to get Ford to check your battery level?

@Nori
I got mine in March 2024 as well, and my battery has been acting up too. I’ve got a recall appointment next week, so I’m going to have them check the battery and some other issues while it’s there.

@Nori
I just called my local dealership’s service department where I bought the truck.

There’s a new TSB (Technical Service Bulletin) out for this issue. Your dealer should know how to fix it if you bring it up.

I’ve been having similar issues since the update. Even my parking sensor sounds are different now. If I do a long drive, like 40 minutes or so, the problems go away for a day or two.

Nori said:
I’ve been having similar issues since the update. Even my parking sensor sounds are different now. If I do a long drive, like 40 minutes or so, the problems go away for a day or two.

That definitely sounds like a battery issue. A longer drive charges the battery enough to temporarily fix it. I’d suggest checking the auxiliary battery when the issues happen.

My 2021 Lariat PowerBoost hasn’t been starting as scheduled either. I’m not sure what’s causing it, but it’s frustrating.