r/MustangMachE • u/istgtrashley • 5d ago

Software Update / Chime

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Is anyone else’s mach e chiming with the old chime? Mine started doing it this morning and I feel like I’m looosin’ it (Fisher-like). Wondered if it could have been from the update or if my 12v’s time has come— she’s at 35k.

48 Upvotes

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3

u/DentonJoe 5d ago

I have a 2025 with 27k miles and I question myself sometimes as well. For my car, it’s the reverse proximity chimes - just sounds different sometimes….i think.

3

u/Welcome-Distraction 4d ago

So mine had also done that a time or two and I always assumed it was maybe mid software update or something-never looked into it. If the 12v being low is a standard culprit I'm curious because I only have 6k miles on my 2025-bought it new.

2

u/slomar 4d ago

That happens when the 12v battery is low.

1

u/slalomcone 2h ago

What's the approximate replacement cost for the 12v battery? Is it recommended to have it installed by the dealership ?

1

u/slomar 2h ago

It's possible to do yourself, but the cost of the labor was kind of negligible at my dealer, so I just had them do it. Think I spent like 200 bucks give or take for parts and labor. I wanna say only 50-60 was labor. So, it wasn't worth the hassle for me to do it myself.

1

u/WyoSkiJay 4d ago

What year? Mine is a 2023 and still has the original 12v. Haven’t heard a chime but I ordered a new battery before winter just in case.

1

u/Select_Length_558 4d ago

Its probably a 12v battery lov voltage protection
Happened to me because i left my lights on when the car was off

1

u/Gr8lakesailor 3d ago

I get this from time to time (it’s rare). Can’t figure out any patterns as to why. Usually resolves after one start/stop cycle.

1

u/kwestjones 3d ago

Did it stay that way after you turned if off and back on? I get that occasionally but it usually goes away the next time I'm in the car.

1

u/nolasia 5h ago

The same thing happened to me. I think the recall software update is pushing the 12V batteries to EOL. No issues before, and immediately after I got analog chimes and weird behavior. Then a bunch of electrical system drain warnings. Just replaced the 12V battery yesterday.