L2 charging speed recently dropped 33%

[OH2AZ2OH]

This all sounds similar to what I'm experiencing over here. Does anyone here have experiences with seemingly random "Plugged in Not Charging" errors? I'm thinking these two issues are related.

I was getting that error too, but only after I manually stopped a charge. I figured out that I was likely unplugging a little too early. It takes the car a few seconds to register the "Stop Charging" request, and then it takes 5 - 10 seconds for my Grizzl-E to close its relay and the charge light to stop blinking (apparently most EVSEs are faster than that). As long as I wait for the Grizzl-E to catch up, I don't get the "Plugged In Not Charging" error.

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[Mach-Lee]

I was getting that error too, but only after I manually stopped a charge. I figured out that I was likely unplugging a little too early. It takes the car a few seconds to register the "Stop Charging" request, and then it takes 5 - 10 seconds for my Grizzl-E to close its relay and the charge light to stop blinking (apparently most EVSEs are faster than that). As long as I wait for the Grizzl-E to catch up, I don't get the "Plugged In Not Charging" error.

Wow, so then the Grizzl-E goes into an error state until you reboot it? And shows "Plugged in not charging" while in the error state? Makes sense if it shuts off the pilot signal while in error mode.

I would definitely complain to United Chargers about that, 5-10 seconds to stop DOES NOT MEET the J1772 spec.

 

[OH2AZ2OH]

Wow, so then the Grizzl-E goes into an error state until you reboot it? And shows "Plugged in not charging" while in the error state? Makes sense if it shuts off the pilot signal while in error mode.

I would definitely complain to United Chargers about that, 5-10 seconds to stop DOES NOT MEET the J1772 spec.

No error state. It just sits there. I can get the charge to start from the FordPass app by pressing the "Resume Charging Schedule" (or something like that, same spot as the Stop Charging Now button) or by unplugging and plugging back in. It's like the communication handoff is getting stuck halfway and just needs a little prodding to move along. Now that I know about, it is no big deal and not worth me dealing with a customer service call. I just want to make sure that it is not the same/similar issue.
I just hopped over the original thread and it appears to be an entirely different and much more annoying issue.

 

[MailGuy]

I hate the DC fast charging update. I never use DC charging and my home L2 charging rate has decreased and takes longer. Only peaks above 7KW intermittently for brief periods. Charging slower than my wife’s Mini with a less capable charger built into the car. Ambient temperature is not the problem either because I charge in an air conditioned garage where the temperature is maintained in the 78-80 range. I can no longer get a full charge overnight when rates are super low. You can see that prior to the update, the car had no problems charging at 9.4kw. Ford, please fix this.

 

[Mach-Lee]

@Mach-Lee: Have you monitored your AC Charger coupling temperature prior to charging or during charging? I am interested in what you or others on forum are seeing for temperature of this parameter. I use MDX+ reader and car scanner app; I monitored this temperature during the first charge on my 2022 MME after it updated to 4.2.6. Prior to charge, parameter indicated 183F; during the charge, it peaked at 296F. MME charged just fine averaging 8.8kW charge rate; after about 20 minutes of charging, AC amps was cycling between 40 and 39A; DC amps dropped from 23.2A to 22.9A. No alarms or warnings during the charge. As soon as I stopped the charge, temperature started dropping immediately. Garage temperature was 79 to 81F. I checked the same temperature on my 2023 MME (not on charge) and it indicated 183F. The other temperature parameters that I routinely monitor seem to be indicating normally.

OK, I reported my temps in this comprehensive study: https://www.macheforum.com/site/threads/44a-charging-temperature-study.29165/

296F seems impossible, the coolant would be boiling. I'm finding the scanner apps are getting the charging temp parameters wrong, so be careful. 183F also seems a little too warm, the hottest anything got in my case was 180F before fans kicked in. There could be something wrong if you're seeing a significantly increased temp on one car vs. the other, but we can't say for sure unless you use FDRS because of the parameter accuracy issues with the 3rd party scanner apps.

 

[Shayne]

OK, I reported my temps in this comprehensive study: https://www.macheforum.com/site/threads/44a-charging-temperature-study.29165/

296F seems impossible, the coolant would be boiling. I'm finding the scanner apps are getting the charging temp parameters wrong, so be careful. 183F also seems a little too warm, the hottest anything got in my case was 180F before fans kicked in. There could be something wrong if you're seeing a significantly increased temp on one car vs. the other, but we can't say for sure unless you use FDRS because of the parameter accuracy issues with the 3rd party scanner apps.

As posted above my guess OBD2/car scanner can be buggy also? Seen 215C on the bcm and the right -20C on other temp sensors. Figured that had nothing to do with the 12V dying. If you spot it is the temp senor in the car give it to the software guys so they can fix us back to the way we were L2 charging for 2.5 years with no problems.

Nothing I can fix here it appears that is what it is told to do. No difference in condition or set up here and all is good. Still I noted it is charging for a long amount of time after I wake up and it use to be done before I woke up and started using power. If I shorten the time slot will it speed up?

It charges fine just slower. Told service charging was missing schedule once and awhile and got the OP title updates I guess. Hoping schedule is at least solid now. My confused corrupted little pony. Great to drive.

 

[Howard]

@Mach-Lee: Both of my MME's showed the same 183F with the car just sitting in the garage (80F ambient) and not charging. This is why I believe it is the car scanner app and not the MMEs; I used the same OBDII reader and app on same phone on both MMEs. I talked to Service Manager at Ford dealership I use and he has sent a request to his contacts at Ford to see if they will shed some light on this issue. Both of my MME's are still charging just shy of 9kW on my 40A Grizzl E charger. Thanks for the link.

Edit: Issue being slower L2 charging folks are seeing.

 

[azerik]

Bummer. Was it still running the fluid pump?

My pump runs continuously and the fan cycles on and off while charging >40A.

Yep, pump kept running. That was the first time since the first week of owning it I heard it run and saw it in the tank. I’d hear it run but nothing in the the tank, like the wrong loop stuck.
After the 12v reset that nights fans were acting all sorts of odd. Ramping up and down every 10 seconds. I have a video, it’s good for a laugh. Neighbors are thrilled I put both ev’s outside that night.

 

[kennethjk]

I have a 2022 GT

Every charge session up to 6/7/2023 looks like this:

Every charge session on and after 6/8/2023 looks similar to this:

What happened on June 8th? First Priority Update 23-PU0105-DC-CHG2 and then Ford Power-Up 4.2.6

Same here with my juicebox and I have a 2021 Job 2 car Built 12/6/21.

I thought it was my Juicebox , since I am on the third one, due to their lousy quality checks but it seems I am not the only one on this issue.

I have a Juicebox 40 amp plug in

 

[kennethjk]

Is yours a 2021 job 1?

It’s happening to my 2021 Job 2 and I have a Juicebox also

 

[kennethjk]

Is anyone having this type of issue charging at a DCFC And not just L2 charging.

 

[mpshizzle]

Has anyone with these issues also noticed too much current draw?

When set to 32 Amps my car will draw 33.6. when set to 48 the car will draw 51!

 

[kdryden99]

Is anyone having this type of issue charging at a DCFC And not just L2 charging.

From what I've seen it's only happens during L2 I don't know if anybody else has gone to see a dealership yet or they're all waiting for me? I have my appointment tomorrow.

 

[kdryden99]

Same here with my juicebox and I have a 2021 Job 2 car Built 12/6/21.

I thought it was my Juicebox , since I am on the third one, due to their lousy quality checks but it seems I am not the only one on this issue.

I have a Juicebox 40 amp plug in

There could be some overlap in Parts if it's a part that didn't like the update cuz yours is probably an early job 2

 

[Mach-Lee]

Has anyone with these issues also noticed too much current draw?

When set to 32 Amps my car will draw 33.6. when set to 48 the car will draw 51!

How are you measuring that? I don't think it's physically possible for the charger to draw more than 48A due to the hardware limits.

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