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Unless not all the LEDs are working. the charge rings are notorious for segments dying. maybe the 1st quadrant is dead?

Sold it.

I had intended to keep my '14 until something failed that was not fixable and then send it to the junk yard. I figured I'd eventually try building my own battery pack and have fun trying to figure out how to get the car to play nice with a non-factory battery. However after hearing of 2 same...

There is no guarantee on a % degradation. If it charges and drives without throwing a DTC you will more likely than not, get nothing from ford. I have no official knowledge on this, it's just my interpretation of reading the warranty and based on my observations of how ford has treated others...

It's a lot of work but it is doable. Keep us updated on how it goes. If you give up, let me know before you junk it, I might be interested.

I ran a LFP 12V battery in my FFE for about 2 years prior to selling it. It had a 50A max current draw BMS and a 10V LV cutoff. It worked great. I wonder how long that battery would have lasted had I kept my FFE. It had no problems with winter usage either.

Use FORScan on a laptop with one of these dongles: https://www.amazon.com/Forscan-Scanner-ELMconfig-FoCCCus-Diagnostic/dp/B07MQ8GHG3/

I may be wrong but I don't think they did much when going from the 23 kWh to 33.5 kWh pack other than switching to higher density cells. I have read about at least one 2017+ that has the dreaded battery coolant leak so I'm not so sure they really fixed anything..

- APIM - Screen - GPS antenna and I'll even throw in the USB port adapter if you don't want to buy the stupid expensive USB hub. Only thing you really need is to transfer the mounting brackets from the old screen to the new screen.

Yeah I probably should have thought about that before I posted this. :lol: $250.

I no longer have my FFE but I kept the Sync3 system if anyone is interested in buying it. It's currently configured with the Mustang start up screen and Lincoln "Limitless" theme. so the shutdown screen is Lincoln. If you are local I'd be happy to re-program it if you want it different or in...

:lol: :lol: :lol: I would bet a large sum of cash that will never happen. Pretty sure this only applies to Mach E and F150 Lightning. Seeing as how the supercharger will communicate to the car for billing which I'm fairly certain the FFE cannot do.

If you are able to do it via wifi, let us know how it goes.

I don't remember if the rated nominal cell voltage is 3.6 or 3.7 volts. Either way you can calculate the cell capacity based on the known pack capacity. Pretty sure they are 15Ah cells. Since there are 430 cells in 86s5p. 3.6V x 86 = 309.6V at 15Ah a parallel group would be 75 Ah so 309.6V...

There rubber drain plugs you can pull on the battery pack to drain the coolant. I am 99.999% sure it would never dry out on it's own. Sadly if your batteries have been submerged in coolant for 2+ months. It may no longer be salvageable. You may be able to just let the coolant drain and dry...

Could still be the 12V. Check the voltage with a load on the 12V. But yeah I think Anti_Climax nailed it. Sounds like a bad connection to the 12V battery.

Where are you located? If you are at all an inclined tinkerer you could disassemble the battery clean it up and bypass the coolant lines. You really need to be committed to safety though as these batteries have voltages that will kill you fast if you don't pay attention to what you are doing...

There are rubber "drain plugs" that you can easily reach from laying on the ground behind the car. I believe it is the "upper" or rear most battery pack that most often leaks. If you pull the drain plug and coolant comes out, you have made your diagnosis. Scroll down in this thread for...

Yay it was dry! Those plugs are a pain to pull out and almost harder to push back in. Especially when it's cold and snowing. I did change the coolant this summer and have just recently used the heat for the first time since. I'm hoping the low coolant was just burping the air out of the...

LOL I was thinking electrical plugs, not drain plugs :lol: On a more serious note, I just checked my coolant and it is low :shock: My warranty expires tomorrow. I think I'm checking my plugs tonight...