Try an install time that's ~15 minutes after your last long drive of the day, might need to tweak the time to get it just right.
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rugedraw
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@Lightning Rod I got your message, but am responding here (with your VIN not shown) so the info is out for others as this is the reason most OTA's that require the vehicle to be inhibited fail. The reason the OTA is failing to install is your 12b battery is VERY low. As someone with an upgraded audio system as well, I also upgraded my battery (as opposed to adding another battery).
I would definitely throw a charger on it. You still have 28 days before the OTA trigger expires unless it gets canceled on the server side, so you have time. I would recommend taking it for a nice 20-30 minute drive, with the a/c speed set on at least 5 as that triggers the system to charge your 12v automatically. As soon as you park it, try to install it manually when the 12v is topped off. Or, put it on a good charger overnight and try to install it in the morning.
Please note that the 1am auto-updates schedule is not recommended. It allows time for the vehicle to sit and the 12v battery to drain by the time the update tries to install.
"groupId":"1""currentLvBatterySoc":"15""totalLvBatteryCapacity":"31""currentHvBatterySoc":"75""currentHvBatteryEnergy":"140950""availableLvBatteryCapacity":"4650" |
I would definitely throw a charger on it. You still have 28 days before the OTA trigger expires unless it gets canceled on the server side, so you have time. I would recommend taking it for a nice 20-30 minute drive, with the a/c speed set on at least 5 as that triggers the system to charge your 12v automatically. As soon as you park it, try to install it manually when the 12v is topped off. Or, put it on a good charger overnight and try to install it in the morning.
Please note that the 1am auto-updates schedule is not recommended. It allows time for the vehicle to sit and the 12v battery to drain by the time the update tries to install.
rugedraw
Well-known member
Actually, the driving the truck method is not the best way for EV owners. The post below is from one of the admins on the Mach E network. Very knowledgeable guy who has researched the crap out of these types of things. His tips and tricks for EV owners with low 12v battery issues and updates is below.
https://www.macheforum.com/site/threads/how-to-get-failed-otas-to-install.29749/
https://www.macheforum.com/site/threads/how-to-get-failed-otas-to-install.29749/
Lightning Rod
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Ok. I will try this later this evening. Thanks!
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Lightning Rod
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@Lightning Rod I got your message, but am responding here (with your VIN not shown) so the info is out for others as this is the reason most OTA's that require the vehicle to be inhibited fail. The reason the OTA is failing to install is your 12b battery is VERY low. As someone with an upgraded audio system as well, I also upgraded my battery (as opposed to adding another battery).
"groupId":"1""currentLvBatterySoc":"15""totalLvBatteryCapacity":"31""currentHvBatterySoc":"75""currentHvBatteryEnergy":"140950""availableLvBatteryCapacity":"4650"
I would definitely throw a charger on it. You still have 28 days before the OTA trigger expires unless it gets canceled on the server side, so you have time. I would recommend taking it for a nice 20-30 minute drive, with the a/c speed set on at least 5 as that triggers the system to charge your 12v automatically. As soon as you park it, try to install it manually when the 12v is topped off. Or, put it on a good charger overnight and try to install it in the morning.
Please note that the 1am auto-updates schedule is not recommended. It allows time for the vehicle to sit and the 12v battery to drain by the time the update tries to install.
Thank you for this info!
With today's technology, you would think that the truck would tell you why the OTAs are failing. The same goes for when not trying to OTA update. There should be a 12v battery gage somewhere in the dash cluster... or at least a warning alert if the battery dips below normal charge levels.
With all of my ranting behind me lol, I put my trusty 35 year old craftsman 12 volt battery charger on the batteries about an hour ago. Usually when I attach this charger to a low or very low battery, the gage needle reads around 40 or 50, and as it charges, the needle drops. When fully charged, the needle is somewhere close to zero. When I put the charger on my batteries, I put the positive terminal on the original Ford battery's positive post and the negative terminal on the other battery's negative post. The needle went to 10. That tells me that the battery was a little low but nothing out of the ordinary (at least from what I seen using this charger for over 3 decades), and it seems to be charging just fine. The charger has 3 charge settings... Low, Medium and High (Start). I set the charger to medium because I have to leave out for work shortly. The needle started at 10 and 45 minutes later, it's around 2, which indicates it should be close to optimal charge levels. I think I will set a schedule for 12:55 and see if the OTA will take.
Wish me luck!
rugedraw
Well-known member
Did you attached the charger to the battery terminal directly on onto the BMS sensor? It is supposed to go on the BMS sensor. I don't have a pic to show you since my truck is different. Right now, it is showing it has only gone up by 2%.
Once you fully charge the battery, I think performing a BMS reset may be a good idea in your case.
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Did you attached the charger to the battery terminal directly on onto the BMS sensor? It is supposed to go on the BMS sensor. I don't have a pic to show you since my truck is different. Right now, it is showing it has only gone up by 2%.
Once you fully charge the battery, I think performing a BMS reset may be a good idea in your case.
I'm weary of using that old charger that I swore by for decades... I keep having visions of something bad happening to my batteries, so I bought this 20 Amp Lithium "Smart" Battery Charger. Amazon will deliver it overnight. Do you guys this this will work ok? I just don't trust that old charger anymore.
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rugedraw
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I don't think the BMS is any different here than it is in my truck. I know a few Mach E guys have put a bigger battery in their cars, so I don't why you guys wouldn't be able to.
The trick is, make sure the new battery is fully charged when you install and reset the BMS as soon as you install it.
The trick is, make sure the new battery is fully charged when you install and reset the BMS as soon as you install it.
rugedraw
Well-known member
As long as it is an AGM battery and fits in the spot, I don't see why it cannot be done. Due to space limitations, the Mach E guys can go up one size from a 35mah to a 40mah battery. The Lightning has a lot more space to accommodate a bigger battery than the Mach E. I think the bigger challenge may be finding a way to properly secure a bigger battery. I don't have one so it is difficult for me to visualize the space there since I've only done big updates that require a power supply on a Lightning once. I have no doubt that you can put a bigger 12v in there. How big is the question.
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