Audi A3 E-tron Forum

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 Post subject: Anyone seen this?
PostPosted: Sun Dec 29, 2019 7:51 pm 
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Joined: Mon Jan 02, 2017 10:34 am
Posts: 7
The green blinking charging light never stops blinking on my 2017 A3 etron. It used to shut off when charging was complete, now it seems to be blinking even when I am fully charged.


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 Post subject: Re: Anyone seen this?
PostPosted: Tue Jan 07, 2020 2:25 pm 
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Joined: Mon Sep 14, 2015 8:18 am
Posts: 21
Mine started doing the same thing. When I use charge point at work, I can see how much current it draws. It never stops drawing current. The amount is low but it doesn't shut off. For example a full charge for me is about 6kW. After i get my notice that its full and done charging, the green light still pulses as if its still charging. I let it sit this way for a couple more hours and it draws .7 to.9 more kW. But no extra range. I think the dealer needs to look at this.


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 Post subject: Re: Anyone seen this?
PostPosted: Tue Feb 04, 2020 8:23 am 
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Joined: Mon Aug 05, 2019 8:27 pm
Posts: 12
The charger (which is build inside the car) should inform the EVSE (Electric Vehicle Service Equipment - the part outside the vehicle, often incorrectly called the charger) when it is completely charged (via the pilot pin on the J1772 connector).

It is unlikely the pilot pin does not make a good connection, because in that case the charging would not start at all. So it may be an issue with the charger in the car not detecting or communicating the battery is fully charged, or it may be an issue with the EVSE.

It may be helpful to charge the car at a public charging station and check if it does or does not shut off (goes to solid green light). If it does work as expected in the public charging station, it likely is an issue with your/the home EVSE. If it does not shut off in the public station, the problem likely is in the on the car side.

If the problem was resolved, please share what was the issue.

More information on J1772 charging details:
https://en.wikipedia.org/wiki/SAE_J1772 (also contains J1772 circuit diagram)
https://openev.freshdesk.com/support/so ... -sae-j1772


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 Post subject: Re: Anyone seen this?
PostPosted: Fri Feb 14, 2020 10:55 am 
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Joined: Thu Aug 04, 2016 1:21 pm
Posts: 12
Hi all, I started encountering this same issue in December 2019. Took it to Audi, two long visits (total of 16+ days) split over 2 appointments. I have a 2017 Technik, A3 e-tron, took possession in January 2017 (I'm in Vancouver, BC, Canada). Here's what they came up with so far which is still unacceptable to me.

- They tried an extended road test and overnight testing
- They couldn't figure out the issue and had to escalate to techline in Germany eventually.
- The battery has degraded a little over time (94-95% capacity). Not surprising.
- Battery is not reaching 100% anymore so the car continues to charge. They said "it may draw a little power, but it should use full charge".
- Direct quote that they consider a resolution: "It passes requirements and no further action at this time is required"

I'm continuing to press as I don't find this acceptable. I have another EV (5 year old Nissan Leaf) and as I'm sure with other people, many other electronic devices that indicate when charging is complete even when a degraded battery is full. Seems like a few of you are seeing this as well so I would take it back to Audi, share this information and perhaps we can get a more acceptable fix.


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 Post subject: Re: Anyone seen this?
PostPosted: Mon Apr 27, 2020 4:12 pm 
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Joined: Mon Apr 27, 2020 4:07 pm
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Hey everyone-

I just specifically to post about this issue.

I too have experienced the same exact issue you stated you are having. I'm located in California and I have a 2017 a3 e-tron that blinks green constantly and my miles are stuck at 22 with 5 minutes to go, only it never ever fully charges. This occurred out of the blue about a couple months ago.

I escalated this to Audi service multiple times and finally they responded today that this will be fixed with a software update...They will reach out when that comes out and I will have to bring in my vehicle again.

It seems odd to me that this issue happened over night and is not being fixed via software.

Anywho, I hope this helps.


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 Post subject: Re: Anyone seen this?
PostPosted: Wed Apr 29, 2020 10:42 am 
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Joined: Wed Apr 29, 2020 10:27 am
Posts: 2
Hello All,

I have this exact same issue with my 2017 Premium Plus A3 etron; stuck at 22 miles with five (5) minutes remaining indefinitely. I’ve tried charging with my home Level 2 Charger as well as the Audi Charger with the same issue. The wrinkle I have with this in addition to others input is that mine happened a couple days after I had my 50K service done at the dealership. Just wondering of any other folks had this pop up after a service visit?

Regards...


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 Post subject: Re: Anyone seen this?
PostPosted: Tue Jun 09, 2020 7:33 pm 
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Joined: Wed Apr 29, 2020 10:27 am
Posts: 2
Hello All,

Just wanted to see if anyone is still seeing this issues. I don’t want to jinx myself but, I have not had this issue for over a month now. The only difference is that I’m using the Audi charger via 110V household current since I’m in temp housing with no 220 outlet to plug my Level 2 charger into. It just stopped happening one day and has not reoccured.

Just wanted to see if others had it “magically disappear” or get further info from Audi.

Thanks!


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 Post subject: Re: Anyone seen this?
PostPosted: Thu Jul 23, 2020 12:56 pm 
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Joined: Tue Apr 14, 2020 9:00 am
Posts: 13
After the main charging session, the car probably starts to level-up the battery cells.
This uses very little energy, and shouldn't take too much time

but it's a normal behaviour, all EVs do it.

So the green light still blinks because the car draws SOME power.

If it won't stop, I would check individual cell voltages


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 Post subject: Re: Anyone seen this?
PostPosted: Sat Aug 29, 2020 5:32 am 
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Joined: Sat Mar 18, 2017 6:37 am
Posts: 13
Ours (2017 Premium) does the same, but it is 15 minutes left to charge. I have unplug and waited several minutes and then plug back in. It usually stops charging and says 0 minutes. Same mile either way. I have also let it stayed plugged in all night (all 240 volts) and still 15 minutes, some times 5 minutes, and rarely 0 minutes. I took it to the dealer and they could not fix and said was not a problem. Not happy.


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 Post subject: Re: Anyone seen this?
PostPosted: Fri Sep 04, 2020 6:30 pm 
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Joined: Fri Sep 04, 2020 6:26 pm
Posts: 6
I have a CPO and it’s behaved this way since purchase. Did not realize it was not normal.


Last edited by a7m on Mon Oct 19, 2020 11:52 pm, edited 1 time in total.

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