03-26-2024, 01:03 PM | #1057 |
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I had the issue this week and brought the X5 50E to the dealer. They found several faults that I was not aware of - I will see printout when I go to the dealer. However service dept said the issue was because my ride was set to charge at 6 amps rather than 32 amps. I was given a video showing that setting on the info screen. No idea why it was set at 6 amps instead of 32 - I do charge with a 240V outlet. I was curious if this was from a software upgrade that put this back to 120V charging. I guess I will learn more and hopefully I do not see the high voltage fault again.
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03-26-2024, 02:58 PM | #1058 | |
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03-26-2024, 03:01 PM | #1059 | |
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2021 BMW G20 M340i xDrive - Verde Ermes/Black - 03/2024.40
2019 BMW G05 X5 xDrive40i - Phytonic Blue/Cognac - 11/2023.50 |
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03-26-2024, 03:08 PM | #1060 | |
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2024 X5 X40i Tanzanite Blue / Tartufo Merino
Past Bimmers: 1600/2; E36 M3/4/5; 740; 328 Conv (wife's); 128 Conv (wife's) Past Beemers: K1200RS; R100 GSPD; K1200 LT; R1100 RT; R1150 GS Assorted Porsche's over the last 20+ years |
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03-26-2024, 03:11 PM | #1061 |
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Another X5 50e with High Voltage Battery & Drivetrain error codes. December 2023 build.
First time came up soon after taking delivery at ~300miles, was told to ignore it. Second time both codes came back @1200 miles but cleared after car restart. I still took it to dealer to get checked out. Dealer told me that these codes kicked in at least 15-20 times in the last month without CEL. They are now talking to BMWNA to figure this out . I never expected this from my first BMW, questioning now the decision to move from Japanese cars! Was someone given this response that the code kicked in the background at least 15-20 times without throwing CEL or Wrench sign? It looks not possible to me. |
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03-26-2024, 03:33 PM | #1062 |
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Dealer informed me they are replacing the SME when it comes in tomorrow and hope to have it by the end of the week but I will believe it when I actually see it.
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03-26-2024, 03:49 PM | #1063 |
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What I find odd is are they saying the car wants 6 amps(user setting) so when I feed it 32 amps it is not happy?? I can say and others will have had same experience, since the upgrade to 240V and the corresponding BMW connector, charge time is about 3-4 hrs compared to the 20 with the 120V. Simply not understanding the error code and the explanation. I pick it up tomorrow so maybe I will get some clarification.
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03-26-2024, 04:23 PM | #1064 |
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I’m curious…for the folks with the check engine issues, what kind of charger are you using? It shouldn’t make a difference, but does it? I use a Tesla Gen 3, no issues to date. Nov build.
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03-26-2024, 04:59 PM | #1065 |
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I’m using a Pulsar Wallbox. I hope BMW doesn’t start blaming these issues on the chargers so they can pass the buck.
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03-26-2024, 05:17 PM | #1066 | |
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03-26-2024, 07:38 PM | #1067 | |
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03-26-2024, 07:47 PM | #1068 |
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I don't think BMW will but we have had a few dealers try and blame it on the charger. Obviously it isn't the charger causing the problem but dealers will say anything at times to get out of trying to track down an issue. Which in this case they likely will not be able to do anyways.
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03-26-2024, 09:16 PM | #1069 | |
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At one point, my dealer blamed my multiple CELs on my Juicebox 40, stating “the charger isn’t responding to the car when it wants to slow the charge speed as the battery approaches full”. There wasn’t much substance to their response when I asked them to specifically explain this phenomenon or how one might be expected to be able to charge at a random charger if only certain types of chargers “responded” to the car. They didn’t have any answers. It’s misdirection while they rebuild modules and update software/parts. My replacement 50e will be arriving later this summer via a trade assist after 7 visits to the shop. It’s not the charger. I know because I swapped my Juicebox for a ChargePoint and still had plenty of funky issues. |
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03-26-2024, 10:02 PM | #1070 |
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03-27-2024, 08:19 AM | #1071 | |
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03-27-2024, 11:08 AM | #1073 |
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Ok car is back. invoice say: "Checked fault memory and found fc 031b93 load charging error, 224581 AC charging not available, performed test plan of stored faults, found faults not present at this time. Verified correct charging of vehicle with shop charger for high voltage system. Checked and adjusted vehicle charging settings to recommended settings, no cause could be determined at this time. Possible customer charger or infrastructure caused fault. Vehicle operation checks ok at this time."
I use the supplied BMW charger running off of a 240 volt outlet. They did not say anything when I picked up the car. They handed me the paperwork/keys and that was it. I found that a bit unusual. We will see if the error code comes back. Thx for the various comments. |
03-27-2024, 03:36 PM | #1074 |
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EV Wall Unit Function
The actual chargers are in the car. The wall unit everyone calls a charger has very limited operation. Basically it communicates with the car to tell it when the connection to the car is active and what the maximum current is that it can supply. Once all is good, the car sends a signal back to the wall unit to close heavy duty contacts (contactor) to allow power to flow from house to car. The car itself controls the amperage/charge rate (in most cars you can modify this in one of the menus). See this video:
So generally the wall unit does not modify the 240 volt AC power to the car. It basically just turns power on and off after ensuring all conditions are met for safe charging. If the BMW service guys are blaming a CEL on the wall unit, unless the wall unit just fails by refusing to turn on 240VAC, then I'd be disinclined to believe them. |
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03-31-2024, 10:43 AM | #1077 |
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Adding my 2 cents
just fyi, I had a 2021 45e that failed with drivetrain malfunction and BMWNA bought it back.
Now I have a 2024 XM (also a hybrid) that has thrown the CEL 3 times now in the first 3 weeks of ownership and BMWNA is now involved again. I know this is wrong forum, but that CEL related to an expansion valve for the battery AC system seems to be similar for both the 50e and the XM. Just following along here as well. TurtleBoy has always been a great help. |
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03-31-2024, 10:48 AM | #1078 | |
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