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hi gareth. thanks for getting back so quickly no problem, any and all advice is appreciated, seen a few youtube vids and im hooked on the Q7 or even the SQ7 if its right. Just want to know what to expect on the “older” models Maintenance wise. regards Owen

Hi All 2018 S3 Sportback. A recent service has flagged a fault with exhaust flap 1 actuator as open circuit. Whilst it does not affect the running of the car it would be good to rectify. I have done some preliminary checks. Flap actuator 2 is fine and the fault does not move when I interchange the actuators. Wiring at the connector is OK. From the wiring diagram, the circuit splits to feed both actuators somewhere in the harness at point B350, “Positive connection 1 (87a) in wiring harness”. Without me having to start dismantling the trim, would anyone have an idea of where this point would be in the car? Thanks in advance.

Welcome Owen, and thanks for joining. I’m sure a couple of owners will be along soon to guide you with your queries. Regards, Gareth.

Hello Apologies if this is not allowed as i dont own an audi just wondering what to expect on a Q7/Sq7 model from 2015-2019, id like one with around 50-80k miles (or whatever is average for age). is there any timing chains, gaskets etc which need changed soon. i would prefer an engine which has no critical plastic parts but it would be getting serviced appropriately with an oil change every 5k miles . i wouldnt be driving it daily as i have a work van. thought id ask actual drivers of the cars. Thanks for reading Regards Owen

As said a year ago Colin. If they are original fitment then just look where I advised you to last year. If they weren’t an available and acceptable fitment - good luck with your insurance. Regards, Gareth.

I have a 2018 S3 and 2019 A3 1.5 TFSI. I do all my own servicing and change the oil at 8000 miles. The A3 has done 91000 and the only thing we have done is change the DSG clutch pack. The mechanic showed us the one that came out and reckoned it had a lot more life in it but we had a fault message and juddering in the low gears. It has been a great reliable car as has the S3. Having done some research these engines can go for 150K plus. I run my cars into the ground so hope this is the case. FYI I saw a 2018 Toyota Prius hybrid with 330000 on the clock. This chap had the car from new and changed the oil every 8000 miles. Not sure on the finance bit as I buy the cars outright but I feel confident they have plent of miles in them.

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Hi the 17inch wheels seem ok they are 225 45 17. Just wanting to know the correct pressures

My thoughts as well Thank you.

I was thinking the same. I’ll get the oil changed in the front and rear diffs. Many thanks.

Has anyone on here used ecu testing for a mechatronic repair? I need to send my mechatronic off to be repaired I’ve seen mixed reviews

Interesting that Lenksäulensteuergerät translates as steering column control unit.

I forgot to mention, that was on from a week ago, cars booked in for egr/dpf ❌ on monday

i think i might have found a solution, i saw on the other post about the same problem that someone changed the part called "Lenksäulensteuergerät VW 1K0 953 549 DB Audi A3 Sportback 8P" in german. So i bought it and i waited for some hot weather so i can give you an update. And this whole week was over 30° with some days even being 34°. The car worked perfectly and had no problems. So it definitely solved the problem for me. Hope it helps someone else too.

You don't think the P2002 could be false because of the faulty battery Steve?

Hi never mind the battery the p2002 is going to cost some dollar to fix, get a quote first before spending any more money. Steve.

As has been suggested - just replace it with a quality branded one, get it recoded, and just don’t bother to get it retested elsewhere, but worth getting the alternator output checked. Regards, Gareth.

I’d probably get the matter resolved first and then insist on a meeting with the dealer principal.

If it is the original battery from 2015, get it changed any way. It is long overdue to be retired.

Perhaps a letter to the dealer asking for a refund would spur him into action. There is nothing like a demand for money for getting his attention.

I will take it to proper garage and have it tested again Thanks

It’s shocking that an Audi dealer can’t find the time to address a potentially dangerous issue on a 5-week-old car. I would imagine it didn’t take them that long to take your money. Anyway, glad to hear you have a tech on the case who seems to know what he’s doing. Good luck.

Thanks Joe, do you perhaps know if an engine top cover is available for my 2026 A3?

Engineer from Audi road service called but was completely baffled by the problem. He scanned the vehicle and found a number of "U" codes which he said means parts of the electronics were not communicating with each other. He was astonished the Audi dealer was too busy to look at the car especially as it is only 5 weeks old. He said he would contact Audi customer services directly as see what could be done to resolve the issue and to get the dealer to do the job they are supposed to do. I'll keep you posted on any developments.

If you’ve had S Tronic gearbox service (every 38k miles), and you have VCDS, then I would do gearbox adaption calibration in basic settings. Few videos as mentioned. Try than and see if any improvement.