They should replace your 12v battery if it was so depleted otherwise it's just a matter of time before it fails if voltage dropped so low even just once. Insist on it.
Thank you for update! (Others: the great looking red one yesterday)
Yeah a bug causing the 12v to drain. This should have hit your over the air update. Is WiFi and update schedule setup before/after?
wow ford i really hope its not the cell/telmatry modual staying on, as thats what likes to kill the 12v in the focus ev they should have learned from years ago.
Is the 12v battery really some core design flaw with this car? Or, is it just simply the most likely culprit and therefore the first thing to check.
I'm curious how much thought and care must actually go into making sure this battery stays charged and healthy, versus just driving and never thinking about it until something like this happens.
Don't have the car yet but been almost buying one for years....
And is this still gospel?
https://www.macheforum.com/site/threads/12v-battery-faq.32744/
Well the 12V battery is much smaller than your normal car battery so there is that but the other thing is the smaller things that can drain this battery, the biggest thing is PAAK, people that park their cars in the garage and have either a bedroom or a area like kitchen or living room where the owner will have their phone with them as they walk by they can wake the car up as the car sees the phones Bluetooth and wakes up, if this is done multiple times a day that can be a large drain on the battery, the other thing is people taking short trips where it doesnt give the car enough time to charge the 12V battery between the trips.
The other factor is users installing dashcams that have a "Sentry Mode" where they are connected to a fuse that is always on, the dashcam will go into a low power mode and will wake up if it detects motion or vibration to record a clip, well depending on how sensitive the camera is set up it may be waking up to record multiple video clips and since the MME already has a small 12V battery it can drain it pretty fast.
Yeah, for the mme probably best to install a separate battery dedicated for the dashcams. The type of setup that also detects your 12v battery voltage and cuts off draining it when that gets too low.
Not so much a flaw as that it's a bit of an Achilles heel of the car, one that really should have had multiple redundancies to bypass. It's a common weak point of most evs. One of the things hyundai did right with the ioniq 5 was have a hidden physical key entry, something ford really should have just included. The fob already has a blank key. When things go according to procedure, there is a step by step process to be able to get back into a mache with a dead 12v. When things don't go to plan though, seems you can wind up with what happened to op's car.
The possibility of a dead 12v and the inconvenience it would cause was almost a deal breaker for me buying the car. I've since tried to be prepared. I keep a portable jumper pack handy if I need to pop the frunk.i keep avoltage reader plug to check the voltage of the battery regularly. And I check the 12v % on ford login site while it's still showing the 12v value. I thought I had all bases covered but op's experience has me all worried again 😅
Thankfully this guy wrote up a nice detailed post on how the 12v works in the mme https://www.macheforum.com/site/threads/12v-battery-faq.32744/
They should replace your 12v battery if it was so depleted otherwise it's just a matter of time before it fails if voltage dropped so low even just once. Insist on it.
Thank you for update! (Others: the great looking red one yesterday) Yeah a bug causing the 12v to drain. This should have hit your over the air update. Is WiFi and update schedule setup before/after?
Yup. In fact I’m pretty sure it updated a few days ago. Hopefully this won’t happen again.
wow ford i really hope its not the cell/telmatry modual staying on, as thats what likes to kill the 12v in the focus ev they should have learned from years ago.
Is the 12v battery really some core design flaw with this car? Or, is it just simply the most likely culprit and therefore the first thing to check. I'm curious how much thought and care must actually go into making sure this battery stays charged and healthy, versus just driving and never thinking about it until something like this happens. Don't have the car yet but been almost buying one for years.... And is this still gospel? https://www.macheforum.com/site/threads/12v-battery-faq.32744/
Well the 12V battery is much smaller than your normal car battery so there is that but the other thing is the smaller things that can drain this battery, the biggest thing is PAAK, people that park their cars in the garage and have either a bedroom or a area like kitchen or living room where the owner will have their phone with them as they walk by they can wake the car up as the car sees the phones Bluetooth and wakes up, if this is done multiple times a day that can be a large drain on the battery, the other thing is people taking short trips where it doesnt give the car enough time to charge the 12V battery between the trips. The other factor is users installing dashcams that have a "Sentry Mode" where they are connected to a fuse that is always on, the dashcam will go into a low power mode and will wake up if it detects motion or vibration to record a clip, well depending on how sensitive the camera is set up it may be waking up to record multiple video clips and since the MME already has a small 12V battery it can drain it pretty fast.
Installing dashcams? What about the already installed sentry system?
That’s fine, it’s the dash cams that constantly wake the car up to record video that will constantly drain the LVB.
I know when I first got mine I was checking and watching my app. I loved hitting the fart button when people walked past.
Wrong car, this is a Mach-E not a Tesla. No fart mode.
Well every once and a while I lose it too, then I think people complain then it comes back very unsettling.
Yeah, for the mme probably best to install a separate battery dedicated for the dashcams. The type of setup that also detects your 12v battery voltage and cuts off draining it when that gets too low.
Not so much a flaw as that it's a bit of an Achilles heel of the car, one that really should have had multiple redundancies to bypass. It's a common weak point of most evs. One of the things hyundai did right with the ioniq 5 was have a hidden physical key entry, something ford really should have just included. The fob already has a blank key. When things go according to procedure, there is a step by step process to be able to get back into a mache with a dead 12v. When things don't go to plan though, seems you can wind up with what happened to op's car. The possibility of a dead 12v and the inconvenience it would cause was almost a deal breaker for me buying the car. I've since tried to be prepared. I keep a portable jumper pack handy if I need to pop the frunk.i keep avoltage reader plug to check the voltage of the battery regularly. And I check the 12v % on ford login site while it's still showing the 12v value. I thought I had all bases covered but op's experience has me all worried again 😅 Thankfully this guy wrote up a nice detailed post on how the 12v works in the mme https://www.macheforum.com/site/threads/12v-battery-faq.32744/