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2023 Audi SQ8 electrical issues

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Old 07-11-2024, 05:32 AM
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Default 2023 Audi SQ8 electrical issues

Here we go. It's starting to get worse. Now my wife is letting me know that these issues keep happening. Waiting on the dealer to get back to me when I can drop it off. I'm starting to regret buying this vehicle. It still hasn't reached 4000 miles.

Suspension Failure

Antenna Failure

Adaptive Light Failure

This one is about the steering not working properly I didn't have a picture of the error display but you can see the warning.
Old 07-11-2024, 05:38 AM
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What do a fault code reader add to this information?
My hunch is that there is some poor connection(s). Check that the battery connections are properly tightened and that the battery's ground connection is not poor or loose.
Old 07-11-2024, 07:20 AM
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Originally Posted by JohnnyJ
What do a fault code reader add to this information?
My hunch is that there is some poor connection(s). Check that the battery connections are properly tightened and that the battery's ground connection is not poor or loose.
I don't have a fault code reader. I have my vag-com cable from my Mark VI GTI but it doesn't recognize this vehicle. I know the newer vehicles use the OBD11 but I tried anyways.
As far as the battery connections go, When I was trying to flash it with an APR tune I had a battery tender on the battery directly on the battery I looked at everything.

I hate electrical issues. I rather have something mechanical. Way easier to find and fix.
Old 07-11-2024, 07:31 AM
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To hate electrical issues won't help you in any way. Borrow or buy a reader. Take responsibility for your own car.
Old 07-11-2024, 07:40 AM
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Originally Posted by JohnnyJ
To hate electrical issues won't help you in any way. Borrow or buy a reader. Take responsibility for your own car.
"Take responsibility for your own car" What do you mean by that?

I just clearly stating the facts what is going on with my vehicle. It's clearly under factory warranty. So the reason for this post is to see if anyone here has come across this and for me to keep everyone updated once the vehicle gets repaired, I can share the results.

Old 07-11-2024, 07:43 AM
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I'm sorry if you took it that way. I meant that you should, yourself gather information on your car in order to be wiser and know more about failures and their cause.
Old 07-11-2024, 08:51 AM
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Originally Posted by Bino
I don't have a fault code reader. I have my vag-com cable from my Mark VI GTI but it doesn't recognize this vehicle. I know the newer vehicles use the OBD11 but I tried anyways.
As far as the battery connections go, When I was trying to flash it with an APR tune I had a battery tender on the battery directly on the battery I looked at everything.

I hate electrical issues. I rather have something mechanical. Way easier to find and fix.
vag-com has a newer cable that will read your car. If you are planning on keeping this car you should buy it. It will pay for itself as soon as you get it.

Problems with air suspension will cause problems with adaptive lights as car will not levels itself. The only way to even try to diagnose it is to look at the codes. Especially those that come back.

Last edited by tomaszp72; 07-11-2024 at 08:53 AM.
Old 07-11-2024, 09:56 AM
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Originally Posted by tomaszp72
vag-com has a newer cable that will read your car.
No. This car has SFD2 and there is no guarantee doing an autoscan will be possible. Coding is certainly out of the question too.

good you reached out to the dealer, I’m sure it’s something relatively simple and a common point affecting everything.

The SQ8 is a great car so please don’t give up on it yet. I will say, however, that if you are not a fan of electronics and prefer simpler mechanical system, the SQ8 is very electronics-heavy and may not have been the best decision for you if that is truly your feeling.
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Old 07-11-2024, 05:34 PM
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Whoa, you're tuning a 1 year old car with only 4,000 miles on it? You'd better hope nothing goes wrong that would be covered by warranty. Yeah, you *might* be able to get them to cover it if it's non-drivetrain related, but it'll be a fight and lots of brain damage. Is really worth 685 (vs.500) hp?
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