HV Battery Warning

Faults and Technical chat for the Volkswagen ID.3
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ctbfc
Posts: 42
Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

Had warning come on randomly last night. I've driven 10k miles over the past year with no issue and had driven over 100 miles yesterday with no indication anything was amiss. the warning came on later in the evening when I went out to plug in.

I've phoned VW roadside assistance who have arranged recovery to the dealership. Presumably whatever the issue is will be fixed under warranty.

Has anyone had similar, and if so is it a quick fix? I'm meant to be driving to the airport on Thursday morning! :roll:

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vanb
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Joined: Wed Dec 29, 2021 11:51 am

Post by vanb »

No. This is scary. Please keep us informed of the outcome.
Scratch
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Joined: Thu Jul 15, 2021 3:22 pm

Post by Scratch »

You didn’t call the emergency services then?
ctbfc
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Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

Scratch wrote: Mon Jul 22, 2024 7:36 am You didn’t call the emergency services then?
No... the car had been sat on the drive for hours, there was no heat or other signs anything was wrong. I think I'd have looked a bit silly when the fire brigade turned up to a dead car.

Car is being recovered this morning so we'll see in due course. I'm relieved it happened at home rather than while I was out yesterday.
libks
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Joined: Mon Sep 11, 2023 8:48 am

Post by libks »

vanb wrote: Mon Jul 22, 2024 7:13 am No. This is scary. Please keep us informed of the outcome.
+1
sidehaas
Posts: 1969
Joined: Fri Aug 27, 2021 7:04 am

Post by sidehaas »

ctbfc wrote: Mon Jul 22, 2024 8:05 am
Scratch wrote: Mon Jul 22, 2024 7:36 am You didn’t call the emergency services then?
No... the car had been sat on the drive for hours, there was no heat or other signs anything was wrong. I think I'd have looked a bit silly when the fire brigade turned up to a dead car.

Car is being recovered this morning so we'll see in due course. I'm relieved it happened at home rather than while I was out yesterday.
Let us know if the recovery team are willing to take it, if that message is still showing.
I'm not sure you would notice any heat or other signs of a fire before it was too late to save the car. There must be some sensors designed to give early warning and either you have a serious fault that has been picked up, or else a faulty sensor. I agree you would feel a bit stupid when the fire service arrived...but ultimately if no one is going to take notice of the message, what's the point of it? The instruction couldn't be clearer. Good luck!
ID.3 Family Pro Performance (Jan 22). Also an ID.4 Max. Ohme Home Pro charger.
Scratch
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Joined: Thu Jul 15, 2021 3:22 pm

Post by Scratch »

sidehaas wrote: Mon Jul 22, 2024 10:20 am
ctbfc wrote: Mon Jul 22, 2024 8:05 am
Scratch wrote: Mon Jul 22, 2024 7:36 am You didn’t call the emergency services then?
No... the car had been sat on the drive for hours, there was no heat or other signs anything was wrong. I think I'd have looked a bit silly when the fire brigade turned up to a dead car.

Car is being recovered this morning so we'll see in due course. I'm relieved it happened at home rather than while I was out yesterday.
Let us know if the recovery team are willing to take it, if that message is still showing.
I'm not sure you would notice any heat or other signs of a fire before it was too late to save the car. There must be some sensors designed to give early warning and either you have a serious fault that has been picked up, or else a faulty sensor. I agree you would feel a bit stupid when the fire service arrived...but ultimately if no one is going to take notice of the message, what's the point of it? The instruction couldn't be clearer. Good luck!
Whilst you are correct that warning messages like this shouldn’t be ignored, we have to remember VWs track record with their software. It may be a lot better now but I’m sure bugs (maybe like this) still exist.
ctbfc
Posts: 42
Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

sidehaas wrote: Mon Jul 22, 2024 10:20 am
ctbfc wrote: Mon Jul 22, 2024 8:05 am
Scratch wrote: Mon Jul 22, 2024 7:36 am You didn’t call the emergency services then?
No... the car had been sat on the drive for hours, there was no heat or other signs anything was wrong. I think I'd have looked a bit silly when the fire brigade turned up to a dead car.

Car is being recovered this morning so we'll see in due course. I'm relieved it happened at home rather than while I was out yesterday.
Let us know if the recovery team are willing to take it, if that message is still showing.
I'm not sure you would notice any heat or other signs of a fire before it was too late to save the car. There must be some sensors designed to give early warning and either you have a serious fault that has been picked up, or else a faulty sensor. I agree you would feel a bit stupid when the fire service arrived...but ultimately if no one is going to take notice of the message, what's the point of it? The instruction couldn't be clearer. Good luck!

I will update the thread with any news.

RE your bold - it's a judgment call isn't it. If it had happened whilst I was driving I would have called the fire brigade immediately, but after the car has been on the drive not being used for hours the risk of spontaneous combustion seemed low. I've already had a previous dealership visit for software issues too so I don't have much faith in what it is telling me.
ctbfc
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Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

The car has arrived at the dealership.

The whole thing was arranged by VW Roadside Assistance. Worked fine until the delivery driver got to the dealership... who said they weren't expecting the car. Cue an angry delivery driver calling me!

All sorted now although the dealership have said as they weren't expecting it they don't know when they will be able to have a look at it. I had to explain the issue to them over the phone again.

I think I'll be getting a cab to the airport..
sidehaas
Posts: 1969
Joined: Fri Aug 27, 2021 7:04 am

Post by sidehaas »

ctbfc wrote: Mon Jul 22, 2024 3:53 pm The car has arrived at the dealership.

The whole thing was arranged by VW Roadside Assistance. Worked fine until the delivery driver got to the dealership... who said they weren't expecting the car. Cue an angry delivery driver calling me!

All sorted now although the dealership have said as they weren't expecting it they don't know when they will be able to have a look at it. I had to explain the issue to them over the phone again.

I think I'll be getting a cab to the airport..
If it's arrived through VW assist, the dealer is supposed to assess it within 48 hours. If they aren't cooperative it would probably be worth a call back to VW assist in case they will take it up for you.
ID.3 Family Pro Performance (Jan 22). Also an ID.4 Max. Ohme Home Pro charger.
ctbfc
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Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

No real update yet. It's currently waiting to see the HV battery technician - who is apparently back from leave on Monday
mr-entropia
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Joined: Thu Jul 11, 2024 4:18 pm

Post by mr-entropia »

If the car hasn't burst into flames yet, I would assume the culprit is a faulty battery module temperature sensor.
ctbfc
Posts: 42
Joined: Fri Jan 06, 2023 8:39 am

Post by ctbfc »

Update: Car is still at the dealership.

There is apparently a specific test that needs to be run 3 times a day for 5 days. After that they will be able to determine what the actual problem is and what work is required...

Thankfully I have a mobex vehicle so I am not desperate for it back... but things aren't exactly moving at speed.
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