Ford Power-up 4.2.6

[Mach-Lee]

I never understood why the car doesn't just monitor the LVB 24x7 and kick on a trickle charge at 80%. Seems simple.

Too simple, apparently. ?‍

Yeah, I would have set it to recharge at 60%. I'm really not sure why Ford decided to be so conservative with it, seems like they were excessively worried about Tesla "phantom drain" AKA draining the HV battery trying to keep the 12V charged, but in reality that would take many months because the big battery is huge. You could recharge the 12V battery up to 400x off the HV battery before it's dead. Either way, that unnecessary conservatism has created a lot of issues with OTAs not working.

I also think they should add a "12V precharge" to the OTA sequence when the 12V battery is too low. So if you have it set for 1AM and your 12V battery is at 60%, then it would wake up and charge the battery for 30 minutes (or however long it takes) before applying the OTA. Rather than failing.

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[ZombieJester]

Two hours might not be enough, I've seen it take 3 hours in a few cases. Or maybe you forgot to disable auto shutdown so it only ran 30 minutes. Leave it on, drive it, or actively charge it for 3+ hours and try again.

thanks! So it's been running for three hours now with auto shut off turned off. I went and checked on it and it was still on. Drove it around for a bit and now parked it running. Gonna let it sit for another 3 hours and see what happens

 

[SWO]

Yeah, I would have set it to recharge at 60%. I'm really not sure why Ford decided to be so conservative with it, seems like they were excessively worried about Tesla "phantom drain" AKA draining the HV battery trying to keep the 12V charged, but in reality that would take many months because the big battery is huge. You could recharge the 12V battery up to 400x off the HV battery before it's dead. Either way, that unnecessary conservatism has created a lot of issues with OTAs not working.

I also think they should add a "12V precharge" to the OTA sequence when the 12V battery is too low. So if you have it set for 1AM and your 12V battery is at 60%, then it would wake up and charge the battery for 30 minutes (or however long it takes) before applying the OTA. Rather than failing.

I know in my Escape the target charge level is only 80% if I recall correctly. If the Mach-E is the same, that's a narrow voltage window on a small battery. One of the biggest plusses to the the Mach-E that nobody talks about is the lack of vampire drain.

It could also be argued that issues only occur with either batteries that have issues or parasitic drains. For example, my Escape PHEV had 12v battery issues. Tested fine but it would go lose voltage and go into deep sleep. Replaced the battery and haven't had a warning in the 18 months since.

The 12v precharge idea is interesting, but that also means the vehicle is inop for indeterminate period of time.

 

[SpaceEVDriver]

I'm still on 4.2.3. I was getting ready to pull an FDRS licence, but have to run it in for its 20,000 mile service. If I can get an appt this week, I'll remind them that there's an HVAC CSP still outstanding on it and ask that they run all the other updates while they're at it.

 

[mkhuffman]

I got this update yesterday. Today my car is stuck on the Guest profile and no matter what I do I cannot change the profile. I reset Sync, no change.

 

[Mach-Lee]

I know in my Escape the target charge level is only 80% if I recall correctly. If the Mach-E is the same, that's a narrow voltage window on a small battery. One of the biggest plusses to the the Mach-E that nobody talks about is the lack of vampire drain.

The 12v precharge idea is interesting, but that also means the vehicle is inop for indeterminate period of time.

Escape is set at 80% for energy recovery, Mach-E is targeted to 90% but will eventually creep up to 100% after hours of being on.

12V precharge should be made able to cancel in case it's too long to wait, but that will encourage more people to just let the updates install at night.

 

[Shayne]

I never understood why the car doesn't just monitor the LVB 24x7 and kick on a trickle charge at 80%. Seems simple.

Too simple, apparently. ?‍

They don't want to be opening and closing those contacts too often would be my guess.

AGM is a H2O battery and will freeze at low SOC at low temperatures. Lithium at 40% soc would make a whole lot more sense. Wonder if there is an affordable lithium alternative to date?

I also think they should add a "12V precharge" to the OTA sequence when the 12V battery is too low. So if you have it set for 1AM and your 12V battery is at 60%, then it would wake up and charge the battery for 30 minutes (or however long it takes) before applying the OTA. Rather than failing.

I have mentioned this numerous times here. A pre-install routine to ensure all goes smoothly. Good to see someone agrees.

I am not babysitting this car anymore. Two years of the 12V dying was enough. Throw in no charging schedule out of the box and now no departure scheduling and the constant attention gets old.

Mine has been updating lately (4.2.4 with hvac csp in the shop) and have been doing nothing different. Park it and forget it is where I would like to be. Not jumping hoops maintaining a 12V to upgrade to no drive selection. The car boots and the dial goes into drive is good enough at this stage.

 

[ZombieJester]

thanks! So it's been running for three hours now with auto shut off turned off. I went and checked on it and it was still on. Drove it around for a bit and now parked it running. Gonna let it sit for another 3 hours and see what happens

UPDATE:
The car ran for 7 hours last night. Checked on it twice and also drove it a bit to change parking spots. Turned it off 30 mins before it was set to update. Had the update set for 1am and it failed once again. Completely out of ideas here ??‍

 

[CarGuy11]

^^^ Do you have parking brake set?

 

[Maquis]

^^^ Do you have parking brake set?

Never. I get OTAs.

 

[generaltso]

^^^ Do you have parking brake set?

That's a myth spread by Ford CSRs.

 

[ZombieJester]

^^^ Do you have parking brake set?

I tried both with and without even though I have never had it on when getting OTA's previously. This is the first OTA since getting EAP activated so I wonder if that made things weird though that's probably not the case.

 

[mkhuffman]

My car is still stuck on the guest profile. It is fairly annoying.

I used the GPS for a 140 mile drive this morning, and the estimated charge at destination was about as good as it has ever been. The problem is the car does not know how fast I am going to drive. I think if I drove close to the speed limit, it would be very accurate.

Initially it predicted I would arrive with 40% SoCD. After driving at 75-80 mph for about 40 minutes, it had adjusted the prediction down to 38% with 113 miles remaining. When I was about 20 miles away from the destination, it dropped the estimate from 38% down to 34%. It was like it suddenly figured out how fast I was actually driving. I arrived with 35% SoCD.

So overall, it is accurate enough to be useful. But it doesn't seem to be any different from previous times I have used the Ford Nav.

 

[Wideguy]

UPDATE:
The car ran for 7 hours last night. Checked on it twice and also drove it a bit to change parking spots. Turned it off 30 mins before it was set to update. Had the update set for 1am and it failed once again. Completely out of ideas here ??‍

Since I turned my wifi off I have been receiving OTAs. Not sure if the problem is my home wifi setup (seems to work fine for everything else) or something about the car. OTAs over cellular have worked. I also changed my time to be 11:30 in the morning.

 

[ZombieJester]

Since I turned my wifi off I have been receiving OTAs. Not sure if the problem is my home wifi setup (seems to work fine for everything else) or something about the car. OTAs over cellular have worked. I also changed my time to be 11:30 in the morning.

I'll try that next. Couldn't hurt at this point lol...

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