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Discussion Starter #1
I've had my 8V S3 for almost a year now. 2016 with 44k miles & CPO. First month of owning it I noticed it was very rough coming to a stop in both D and M. The 2nd to 1st downshift was always weird.. D2 would flash once or twice before going into D1. I asked around a few FB groups and friends and was told by many "DSG is always a little rough because its basically a manual trans."

I had the car for about 6 months before flashing it to stage 2 (93oct high torque & DSG flash). This whole time the D flashing would randomly happen. If I came to a complete stop easily and gave the car plenty of time to downshift itself it wouldn't do it. If I had to come to a quick sudden stop is when I'd notice it a lot more. I figured the DSG tune would help the overall functions of the DSG (Better D everyday driving, while also making S better). I'm not sure if I started noticing more, or if I just starting thinking of issues before my CPO warranty ended.

I had a DSG flush & DSG adaptation done at my work that is an Audi/Porsche dealership. Still noticed it after the flush and my friend also drained out 7qts not 5, not sure what this would affect. I'm very cool with my service department and we all knew it was tuned. Audi unfortunately asked us to send log to have it repaired under warranty...TD1. I'm not too mad because I only had 1 month left. My work is thinking its a mech unit but they're also saying there's a small chance it needs a new DSG. I've tried finding videos or anything of the same issue and haven't found anything. Most mech unit issues result in not being able to drive and having a bunch of codes. My car has no codes at all.



Has anyone on here replaced the mech unit? Has anyone heard of or personally experienced D flashing randomly? I'd much rather it be a mech unit and will lean that direction first but if I need a new trans that's going to suck after paying for the mech unit.

I don't post on forums much anymore, seems like FB groups have taken that away but hopefully I can learn more about what I'm experiencing.


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Hi there, have you tried carrying out a basic setting on the transmission and an adaption of the 'kiss points' of the clutch using Odis-S? The 'kiss points'of the clutch's K1 and K2 are constantly being adapted for comfort and smooth shifting when driving but sometimes a forced reset and adaption does sort these issues out, hope this helps, Ken.
 

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Hi there, have you tried carrying out a basic setting on the transmission and an adaption of the 'kiss points' of the clutch using Odis-S? The 'kiss points'of the clutch's K1 and K2 are constantly being adapted for comfort and smooth shifting when driving but sometimes a forced reset and adaption does sort these issues out, hope this helps, Ken.
Thank you but unfortunately yes I did a full adaptation.


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I find it a little bit suspect as there was 7qts drained out instead of the 5 what should be in there which makes me think someone had been messing with it before like previous owner. The only was your going to tell if there is swarf in the box, which would write the whole thing off and be a new complete box, would be to take the mechatronics unit off and check on the magnets and that would mean draining the oil again. I personally would just go for the whole thing and replace the gearbox and mechatronics from Audi as there is clearly an underlying problem there and that would cover both areas too. I can't see anything else you could do to correct this issue with what you've already tried. These S3 boxes are normally really good, but I have replaced these boxes in the past for swarf contamination, it's not really common but wouldn't rule it out. All the best, regards Ken.
 

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I find it a little bit suspect as there was 7qts drained out instead of the 5 what should be in there which makes me think someone had been messing with it before like previous owner. The only was your going to tell if there is swarf in the box, which would write the whole thing off and be a new complete box, would be to take the mechatronics unit off and check on the magnets and that would mean draining the oil again. I personally would just go for the whole thing and replace the gearbox and mechatronics from Audi as there is clearly an underlying problem there and that would cover both areas too. I can't see anything else you could do to correct this issue with what you've already tried. These S3 boxes are normally really good, but I have replaced these boxes in the past for swarf contamination, it's not really common but wouldn't rule it out. All the best, regards Ken.
Thanks. Yeah I’m probably going to have to buy it’s so damn expensive man.


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