10-26-2023, 09:31 PM | #1 |
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2017 X5 e40 - HVB cooling issues
Hi,
I have been running my X5 hybrid strong for years. All of a sudden, I am not able to charge it anymore and when I am able to charge it (more about that below), when I try to run in MAX electric mode, after a bit it gets disabled (system request). In general, if I try to charge the car as soon as I park, it won't. It shows me a yellow color on the outlet, then it goes off. If I wait a while (so it cools off), it will charge. However, even if it is charged, when I drive it, it soon prevents me to go into MAX mode. I am guessing it is the same issue, the battery gets hot and the cooling system failed. More proof on this are the codes I am getting on BimmerLink: 21F111 - Cooling valve: valve cannot be opened 21F194 - HVS: Cell temperatures - high temperature, charging aborted 21F1F5 - Throttling - Reduction of the charging current due to high cell temperature 21F195 : cell temperatures - high temperature spread detected 21F189 HVD: Battery aging: SOH low (warning threshold) I am going to bring this in to the dealership, but they are such a rip off, I wonder if I could get an idea of what is actually broken and get a feeling of what is a fair charge for this repair. Thank you all in advance! |
10-26-2023, 09:50 PM | #2 |
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One preliminary question I have: how is the HVB cooled down? Does it use the AC system or the radiator system (or both?). I ask because my AC is also not working. I probably had it repaired by the dealership (when under warranty) like 3 or 4 times. Would last me for the summer, next year at the beginning of the warm season it would need to be repaired again. Once the warranty expired, I just started refilling it myself. Now it is spitting warm air again, I will pick up a few more cans to recharge and see if that fixes the HVB issue as well.
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11-03-2023, 09:11 PM | #3 |
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Drives: 2013 BMW 335i SportLine
Join Date: Nov 2016
Location: Winston-Salem, NC
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HVB is cooled by the AC system.
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2013 Melbourne Red 335i SportLine, 2016 Glacier Silver Metallic X5 40e
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