Audi A3 E-tron Forum

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 Post subject: E-Tron Battery/Hybrid Fault
PostPosted: Thu Aug 03, 2017 5:47 am 
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Joined: Thu Aug 03, 2017 5:37 am
Posts: 2
Hi there everyone.

First time poster but had my e-tron coming up a year. On my way to work this morning I got a warning message saying something along the lines of, "e-tron system failure. Contact Workshop". No mention of stopping immediately so carried on to work. When I got there, turned car off and back on again so I could get a picture of the error message, but another warning came up. This time, it was, "Drive System: system fault! Safely stop vehicle." Contacted fleet (company car) and an Audi tech was sent out. He has run a diagnostic scan and come up with the following fault:

POAA600 (or P0AA600) Hybrid/EV battery voltage system isolation fault logged in hybrid management control unit.

I've been told that the car is ok to drive in ICE mode and when my courtesy car has been arranged, I've to drop it in to my local Audi workshop. Has anyone else ever had this error? I do have pictures of the dash with the warning lights and second warning message but unable to post as I'm a new member (I think).

Thanks in advance,

G


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 Post subject: Re: E-Tron Battery/Hybrid Fault
PostPosted: Tue Aug 15, 2017 12:21 pm 
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Joined: Wed Feb 08, 2017 8:37 am
Posts: 13
I had a "system fault" twice. The car would not power up at all. The first time the dealership "reset" the car after consulting with engineers. They didn't fix anything, just reset it. A couple weeks later it happened again. They ended up replacing the battery.


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 Post subject: Re: E-Tron Battery/Hybrid Fault
PostPosted: Wed Sep 06, 2017 2:05 am 
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Joined: Thu Aug 03, 2017 5:37 am
Posts: 2
UPDATE: The car has been with Audi almost a month. It's had E-tron specialists up from head office in Milton Keynes to assess & work on it after a period in quarantine. They have replaced the battery pack and associated ancillary parts. Just as well this is under warranty as the price for the battery is £5294 excluding VAT!!! £6353 all in. Now that's not including other parts and any labour so I dread to think what the total cost would be. They are keeping the car for a few more days to run some QA checks but hopefully I'll have it back by next week.


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 Post subject: Re: E-Tron Battery/Hybrid Fault
PostPosted: Fri Dec 01, 2017 5:36 am 
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Joined: Fri Dec 01, 2017 5:01 am
Posts: 1
First ever "Drive system: system fault! Safely stop vehicle" message a few hours ago. e-tron coincidentally just booked in for 45,000 service in 3 days from now.
The only preceding event I can think is that I stopped in a driveway after reversing and then uncustomarily open driver door while power on. I mainly drive in Auto mode with 18km range on battery and full tank (640km) petrol.
I did the door lock/unlock x3 reset thing but no change.
Unable to power on
AudiCare (Australia) tell me likely to be an obligate tow-away to Audi Service
Not sure if anyone has similar triggers
Could have happened in trickier circumstances


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