Battery Monitoring System, BMS, settings in ForeScan...

[23grayXLT84]

Thx for the Voltage loss data, it's probably related to active modules, like telemetry, VSS, etc., being active. The 0.06V drop does not seem excessive to me, but could be wrong.

About the app pinging your truck, it's nit picking but...

The app does not ping you truck, it pings the Ford server(s) that already has most of information that you're looking for. When you start your truck with the app, it also goes through the Ford server(s); From your app Ford Server to your truck communication is through the internet. There's a noticeable delay for actually starting the truck, when compared to the key fob.

As for people in Detroit, don't get me started....

You are right, app goes through servers not directly to truck.
Could the app request data from server, which then pings the truck ? If that is the case and the app is buggy requesting info too often, then that will have impact on battery life.

Above is unlikely because you know....that would seem like a easy fix from Ford but considering deep sleep is an issue on many models the issue has to be far more complicated.

Finally deep sleep according to Ford is NOT an issue unless you actually can't start the truck from what I understand but for many people a notification like that, mentally creates an issue.

Sponsored

 

[colinl]

...anyone notice fordpass app had an update couple days ago on android for "bug fixes" ?

I'm pretty confident this is from changes in Android Auto causing the infotainment to be very unreliable.

The past month or so, I've had a significantly increased number of issues with my sync3 unit while using Android Auto. I've had to reboot it roughly 10-15 times, and prior this run of issues, I had only rebooted it maybe 2-3 times the prior year.

I applied the latest sync3 update that came out 1-2 weeks ago and my phone is up to date, and we'll see if the infotainment is more stable now.

 

[Skyline]

You are right, app goes through servers not directly to truck.
Could the app request data from server, which then pings the truck ? If that is the case and the app is buggy requesting info too often, then that will have impact on battery life.

Above is unlikely because you know....that would seem like a easy fix from Ford but considering deep sleep is an issue on many models the issue has to be far more complicated.

Finally deep sleep according to Ford is NOT an issue unless you actually can't start the truck from what I understand but for many people a notification like that, mentally creates an issue.

The app could only be an issue, if it's running in the foreground. If it is in the background, or closed, it should not be an issue. That's more related to the smartphone than to Ford. My iPhone used to have the app for, oh, maybe a week? The app hoovers up too much data from the smart devices .

Ford is probably right about the deep sleep that isn't an issue. The truck in itself does not send data to Ford when it is in deep sleep. Neither does Ford connect to the truck, unless you'd want to start, or need the location of the truck. Yes, Ford can wake the truck from deep sleep in that case, or if Ford wants to for whatever reason and there could be a couple of them.

 

[23grayXLT84]

Small update from my #29 post shown below.

"
Here are my voltages over the past 12+ hours starting yesterday

0-Drive 40 miles followed by two short trips: 12.5. Door locked, hood open
1-75 minute minimum rest: 12.54
2-3 hours later (from 1) : 12.52
3-12 hours later (from 2): 12.48
4-short drive less than 3.5 miles round trip with shutoff halfway. Return home: 12.42. Door locked, hood open
5-75 minutes later: 12.42V. No change.

So after sitting overnight and driving a short round trip distance with turning off halfway it lost 0.06V.

...anyone notice fordpass app had an update couple days ago on android for "bug fixes" ?
Likely unrelated but what if these apps try to ping your vehicle for info way too often ?

People up in Detroit know the source - 100% . "

This weekend had one small drive on saturday and checked voltages after, but did not note voltage before just 3-4hours after.
3-4hours after ~7pm: 12.52
12 hours later (sunday am) 12.38
sunday 4:30 pm: 12.48v.....this has to be an error but I did check 2-3 times !. Can't explain.
sunday 4:45pm: 12.36v.....makes me think measurement above was more of an error.

I don't know what caused the spike, but this thing is exhausting.
Havent checked today, its a new car. Start billing ford for this soon !

 

[colinl]

I don't know what caused the spike, but this thing is exhausting.

respectfully, what are you doing and what's your concern?

your battery voltage is strong. deep sleep triggers around 11.8v. the variations you're seeing that are all well over 12.0v are normal.

 

[Skyline]

I still has issues with either the battery, the charging system, or some gremlins I guess. The dealer was not much help, they've basically recharged the battery. That lasted about a week and now it's just as low on charge as previously. My repair shop tested the battery with the ESP800:

The battery is roughly 55 - 60% charged, based on this chart:

At this point I am lost what to do. It's a shame that my 18 years old Avalon is working just fine, no need to check anything on it. The Maverick on the other hand....

 

[Sagara]

My 22 Maverick came with a EFB lead acid battery. The battery part number corresponds with that when looking it up.

With a dash cam plugged in I can have a State of Charge drop from 80-90% down to 60-70% in 7 hours. It's less if I disconnect it, but I can still get a deep sleep warning a week later. Usually there's no lights when I get in.

Oddly, even with the charger terminals hooked directly to the negative post on the body and positive on the battery. My NOCO Genius 10 restarts the charging cycle after a few hours.

Tempted to swap out the battery with a Kirkland or Walmart H6 AGM.

 

[Skyline]

Tempted to swap out the battery with a Kirkland or Walmart H6 AGM. Sponsored

The battery is warranted for three years, regardless of the mileage. I am not trying to convince you that you shouldn't replace it yourself, it's your choice.

Getting a warranty exchange for the battery is an uphill battle at most dealer as I've learned. Ford recommended to take my truck to another dealer, if one did not change it. Yeah, I can can, but it's 10 miles further than the first one. Drop/pick up the truck in that case is a chore and not certain, if they'd do it either....

If I do it myself, I'll get the Walmart H6 AGM battery...

 

[Sagara]

The battery is warranted for three years, regardless of the mileage. I am not trying to convince you that you shouldn't replace it yourself, it's your choice.

Getting a warranty exchange for the battery is an uphill battle at most dealer as I've learned. Ford recommended to take my truck to another dealer, if one did not change it. Yeah, I can can, but it's 10 miles further than the first one. Drop/pick up the truck in that case is a chore and not certain, if they'd do it either....

If I do it myself, I'll get the Walmart H6 AGM battery...

Oh I agree. Only problem is you drop the vehicle off for the entire day and hope it gets looked at in time. If not the next day. That's even if they'll replace it, as it tests good for the State of Health.

I've seen posts saying the replacement EFB and/or AGMs are having issues too.

Best guess is they're gonna blame the hardwired dashcam .

SoC on Forscan after driving back home was 71%. 14 hours later sitting in the garage and it's 55%.

Using a Solar BA9, the battery tested at 12V, 30% SoC, SoH @ 89%. Used the 700A EN capacity. Dashcam, 12V USB charger all disconnected.

 

[GPSMan]

I still has issues with either the battery, the charging system, or some gremlins I guess. The dealer was not much help, they've basically recharged the battery. That lasted about a week and now it's just as low on charge as previously. My repair shop tested the battery with the ESP800:

The battery is roughly 55 - 60% charged, based on this chart:

At this point I am lost what to do. It's a shame that my 18 years old Avalon is working just fine, no need to check anything on it. The Maverick on the other hand....

I took mine to a national brand auto parts store. They ran a test like this. Also said "battery is good but low on charge - charge battery".

That was 5 months ago.
Weird. Battery stays "low" but seems to be intentional. But not getting worse.

 

[bgn]

I'm not convinced spending $200-300 on your own battery fixes these issues, hence why I'll continue hounding Ford for yet another battery.

 

[MakinDoForNow]

My 22 Maverick came with a EFB lead acid battery. The battery part number corresponds with that when looking it up.

With a dash cam plugged in I can have a State of Charge drop from 80-90% down to 60-70% in 7 hours. It's less if I disconnect it, but I can still get a deep sleep warning a week later. Usually there's no lights when I get in.

Oddly, even with the charger terminals hooked directly to the negative post on the body and positive on the battery. My NOCO Genius 10 restarts the charging cycle after a few hours.

Tempted to swap out the battery with a Kirkland or Walmart H6 AGM.

My noco genius 5 apparently on maintenance will restart top off charge every 24-48 hours not sure as I have not watched too close on both my lariat hybrid as well as my Tremor with the AGM battery. I have not disconnected my NOCO from either truck and ran the "Up to 8 hour with truck locked and every thing turned off that can be turned off battery learn procedure". Apparently the fully charged voltage when that procedure is done is remembered as the target charge for the bms. Acelee who installed the lithium battery in his truck reported that after doing that procedure with his charged battery (he had a separate bms on it which limited charge to 95% or so) his truck was charging that battery to 13.18 volts. So apparently the battery learn procedure remembered that 13.18 volts. Note the manual states that the new battery learn procedure may have to be done even after charging the battery with an external charger. Perhaps we should consider less than a 100% target charge also.

 

[Sagara]

My noco genius 5 apparently on maintenance will restart top off charge every 24-48 hours not sure as I have not watched too close on both my lariat hybrid as well as my Tremor with the AGM battery. I have not disconnected my NOCO from either truck and ran the "Up to 8 hour with truck locked and every thing turned off that can be turned off battery learn procedure". Apparently the fully charged voltage when that procedure is done is remembered as the target charge for the bms. Acelee who installed the lithium battery in his truck reported that after doing that procedure with his charged battery (he had a separate bms on it which limited charge to 95% or so) his truck was charging that battery to 13.18 volts. So apparently the battery learn procedure remembered that 13.18 volts. Note the manual states that the new battery learn procedure may have to be done even after charging the battery with an external charger. Perhaps we should consider less than a 100% target charge also.

Hmm. I'll have to make a note of that. The BMS procedure varies, some say to do it, others say leave it alone. You're supposed to connect it to the body so the current sensor can figure out how much is going into the battery. Though, if you have a dashcam that's pulling 100mA+ the BMS doesn't relearn the new SoC.

I did change the target SoC, doesn't seem to help all that much. The vehicle initially will charge in the double digit range (10-20A) when first started, but it drops off to 1-5A when driving or negative sometimes.

Forscan usually shows a 3-5% gain in SoC in a 15 minute drive. Roughly 15km or 9.3 miles of driving on the freeway.

 

[Skyline]

I'm not convinced spending $200-300 on your own battery fixes these issues, hence why I'll continue hounding Ford for yet another battery.

I am not inclined either and that is what stopping me from changing it. Although the lost time spent on figuring out what's wrong the the battery/charging system and visits to the dealer is not the best way to go. Started lean into the direction of just replace the battery myself with the winter around the corner. I can't have this truck not starting...

Though, if you have a dash am that's pulling 100mA+ the BMS doesn't relearn the new SoC.

I did change the target SoC, doesn't seem to help all that much.

The BSM does evaluate the status of the battery, if the power draw is less than 300 mA when the vehicle is off.

Most of the dash cams draw 200 - 400 mA nowadays, certainly depends on the resolution and other features. Even if you don't take into account the vehicle key-off draw of around 50 - 100 mA, the dash cam in itself can prevent the BMS to learn the status of the battery.

How did you change the SoC target, would you share it with us? Thx...

 

[23grayXLT84]

Has anyone noticed there are two battery options on the Ecoboost 760cca and a 700. Then hybrid one option 450cca.

Memory bit fuzzy so my numbers might be slightly off but two options on the eco is interesting.

Also looking online, bunch are on backorder. Are we really sitting in some of the worst batteries around ?

Sponsored