2021 Battery issues

[nvabill]

I have seen several threads relating to the 2021 f150 battery drain, deep sleep, etc.
Rather than comment on every one, I figured I would just ask in a new thread.
HAS ANYONE HAD THE ISSUE SOLVED??
Mine went to the Ford dealership for the 3rd time for this today. All kinds of alerts on the dash like parking brake failure, service immediately. Rear restraint failure. I can't remember all of the others. And it was clicking and popping through the speakers. The lights were flashing. Then it all went black.
I found a post where it said jumping it off would work. When I hooked it up, I checked the voltage and it said 5.9V. It did jump off and was able to drive to the dealer. However when I shut it off, it went right back into deep sleep mode.
The dealer said they tested the battery and it was ok. They don't know why it's going into deep sleep. (Third time same answer) This time they are keeping a few days.
I'm just wondering if anyone has seen victory over this?
Also wondering if 2022 and 2023 have the same issue.

I found this on the Ford sight, not sure if you have seen it or not. I found it interesting that it says to wake it up by manually starting the truck with the key fob push button.

https://www.ford.com/support/how-to...y-does-my-ford-vehicle-enter-deep-sleep-mode/

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[Blue22]

I really like that. Nice clean install. I’ll look into it. I also have the catch can. Amazing how much oil that thing captures on the 5.0. Thanks!

Another member on here is using the NOCO Genius 2D (NOCO Genius 2D) which would also be a good choice since it's cheaper and has a mounting bracket. Since the one I have doesn't have a mounting bracket, I mounted it with a 4"x2" Velcro strip so I can remove it to access the fuse box. I still need to do some cable management to finish it off. Regarding the oil separator, I really haven't trapped that much "oil" on my 5.0 (maybe a teaspoon), but I only have 2k miles on my truck. However, that's a teaspoon of "oil" that would have been dumped back in so I see it as beneficial.

 

[SemperVee]

I wonder if all this has something to do with the Battery Management System? Ford uses to not let the battery charge up past 12.2 percent it seems for "longer" battery life. I always understood fully changed was 12.9 - 13.3 volts. Disconnecting the BMS Plug at the negative terminal could be a way to test it.

 

[powerboatr]

on my 2022 i had battery issues from week one
deep sleep, 40% soc, etc.

i found in the 2022 spec build sheet the battery that was installed in my 2022 was not what was specified , so ford rep here and my dealer arranged ( i think) to put the bigger specified battery 860 in the truck and i increased soc in forscan to 95%. it seems to help, unless truck sits for a week then it goes to sleep but seems to do this at 60 -65% soc as read by my battery charger.
also if i open truck more than 4 or 5 times without start and running it to recharge, i get the sleep notification earlier. so i try to limit opening to get stuff

 

[Graygoose2021]

old post....

so flew to Mexico, came back, thought sweet, let me start truck remotely when we land...nope...deep sleep.

Ok, walk out, start it...go home, no radio.

Next day, drive all day.
Today, go to remote start off app...deep sleep again....uuuugghhhh


battery?

 

[SemperVee]

Going by the chart I have been installed the wrong battery being a Lariat i have the 760 AMP Hr versus the 800. Wonder if they will swap it out? As an aside I am awaiting a TopDon TB 6100 Pro charger and Load tester all in one from Amazon.

 

[Bryan Simon]

Had my 21 XLT for a bit over a year before I started having little issues.
To be fair, this truck spends a lot of time with me in it on ACCY.
My commute is relatively short at about 20 each way with the morning getting a stop for coffee at the 10 mile mark.
Truck goes to sleep daily while at work.
Note-has not yet failed to start.
Took it to the Ford store to have them look into the auto Start/Stop a few months ago and they discovered an issue with some internal engine solenoid.
Get the truck back and everything works perfectly for a few days.
Then things stop working correctly.
A longer trip to another county Seemed to charge the battery enough for things to work for a few more days.
In October, took a ride to Las Vegas, and every worked just fine during the trip and for a few days after coming home.
Middle of November comes and the Auto S/S quits working, windows start acting up and losing memory, phone connects to the truck but will not automatically kick into my music library ( have to physically turn it on and star play with the phone—not using CarPlay regularly.
Back to the Ford store this weekend, but I suspect I am going to need to upgrade the battery to one that will fill the battery tray.
Getting tired of getting into the truck and not getting any interior lights every night.
just came in from checking voltage in the Ford and it was at 12.3 after I had been driving it all morning. Way too low.

To top it off, the battery in my 98 is dead again after only sitting for about a month. I guess I need to replace the 1 yr old battery again.

A bit dismayed. My Ranger and my 98 Chev usually able to sit for months without charging and frequently went 6 weeks plus sitting in the airport parking garage

 

[RickBullotta]

I have seen several threads relating to the 2021 f150 battery drain, deep sleep, etc.
Rather than comment on every one, I figured I would just ask in a new thread.
HAS ANYONE HAD THE ISSUE SOLVED??
Mine went to the Ford dealership for the 3rd time for this today. All kinds of alerts on the dash like parking brake failure, service immediately. Rear restraint failure. I can't remember all of the others. And it was clicking and popping through the speakers. The lights were flashing. Then it all went black.
I found a post where it said jumping it off would work. When I hooked it up, I checked the voltage and it said 5.9V. It did jump off and was able to drive to the dealer. However when I shut it off, it went right back into deep sleep mode.
The dealer said they tested the battery and it was ok. They don't know why it's going into deep sleep. (Third time same answer) This time they are keeping a few days.
I'm just wondering if anyone has seen victory over this?
Also wondering if 2022 and 2023 have the same issue.

Yup. Solved it by installing an aftermarket AGM battery the first time this happened. About 11,000 miles later it hasn't happened again.

 

[Graygoose2021]

so, after 2-3 days, I finally went to lunch, drove it, came back, immediately remote started it, run for 15+ minutes, before it timed out, added another 15 minutes.


Error on app is gone.

 

[Henfield]

Throw this into your back pocket.
Wife rarely drives her car, and when she does, she only drives short distances 3 miles or less. At least once a winter, I have to peel back the layers of plastic under the hood and charge up the battery. Between starter motor, heated seats, fan motor etc......the poor battery has no chance.

 

[Calson]

My 2022 XLT with the 2K Power Pro unit also has something draining the battery. I suspect it is involving the Pro Power battery pack and inverter. I now have a battery charger running to bring the battery SOC up so I can start the truck.

Something is wrong somewhere for this to be such a widespread problem. I will be dropping my truck off at the dealer to at least have documentation of the problem.

I will also be carrying jumper cables in the truck. Glad I have a second vehicle and do not need to rely on the Ford to get anywhere. It sure takes it out of consideration for my tow vehicle.

 

[jeffrt]

Well, add another one to the list. Just walked by my truck in the dark, and the screen for the gauges was lightly lit and caught my eye. Grabbed my key and went back to the truck, noticed my welcome lighting didn’t work. Got in and tried to start it, and like the OP, got all kinds of warnings, but no start. Put a meter on the battery, and it was only at 10.8V. I was out in the truck a bunch yesterday, so it’s not from lack of use. Plan to call the dealer in the morning. Charger is on now.

 

[Big Dog Daddy]

Hi all
All of the issues described in this thread I've experienced with my 2021. Last December my SOC must have been very low without my understanding of all of this, and in retrospect I now think that this is part of the reason that my truck failed to complete the now infamous 1.7.1 OTA lock out.

In May of 22 my battery completely died after a 1 hour trip to my mother in laws house and being parked for only 4 hours, couldn't get home without a jump start from my laughing brother in laws old Chevy!

The dealership replaced the battery with another H6 the next day.

In August as a proactive move I replaced the battery with the larger H7 and adjusted the SOC setting to 90% in forscan.

On the 7th of December the SOC fell below 70% this is immediately realized because auto start stop discontinues to function. And at 60% the interior lighting stops working. So I fully charged the truck with my agm charger for 8 hours back to 100%

After last weekend's super cold spell -14 the truck just barely started after being parked for 3 days, I checked the soc and it was at 57% there is definitely something wrong with the charging system strategies that Ford has implemented with ice engine trucks. In my opinion.

In an effort to try to understand what's going I've started logging every trip I make to gain an understanding of what's going on. I intend to do this for a week or to and then compile the data to try to find a trend as to when the battery is loosing its charge. When I complete this I will post my findings. Attached or the things I'm monitoring and notating for my eventual report

 

[Snakebitten]

Awesome research!

Thanks for sharing.

I only have one other hypothetical to go along with a faulty charging strategy, and that is a possible random, but serious parasitic draw.

If you could take snapshots of the actual SOC of the battery immediately after shutdown for the day, and then another snapshot before the next day before starting,..... How much did it "bleed" overnight?

Although the Powerboost isn't exactly apples/apples comparison with your truck, the whole truck network is very similar. On my Powerboost I do something similar to my suggestion above, except I'm snapshotting the SOC of the Hybrid battery at shutdown. Then again the next morning. I've discovered that on random occasions the SOC will drop as much as 7-10%
That's a 300V battery experiencing a 12V draw through the dc/DC converter. (equivalent to an alternator running after the truck is off!)

Most nights the SOC drop is less than 1%

So something can and does stay awake (or wakes up at night) and it's drawing on the 12V system far more than the .5amp threshold that Ford says is normal.

I guess my point is that even if you discover that the truck successfully charges the battery during adequate use, it might not make a difference if something draws hard on it at night while you are counting sheep? ??

 

[Big Dog Daddy]

Yes, I'm really trying to grab the downtime SOC levels, to the point that I'm not doing remote start in the morning so that I can grab the overnight soc before starting. My routine so far has been get in the f,ing COLD truck KOEO attach grab SOC start and be on my way. Bo ho me.. all in the name of an expirement.

I agree the downtime power draw can be large at times for no apparent reason.

Example yesterday started the morning at 65% got to work and shutdown at 67% 8 hours later went to go home and was at 62% loss of 5% , so far overnight loss has only been 1%, 5% was a big surprise since the ambient rise was 25 degrees that day. It made me check if a update downloaded! Lol.. nooo..

Each 15 to 20 minute drive yields a .csv log file of about 1300 to 1600 rows 1 per second. I've been pulling information from these and compiling a master with trends. What this does I don't know.

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