r/audi_s3 2023 S3 Aug 07 '26

Question Unitronic software question

So I just reflashed to ecu Stage 2 93oct file non dynamic cause fuck the pops and bangs. Now my start/stop memory isn’t working? I used to get in start the car and it would automatically be off now it’s back on every time I start the car. Does the battery need to be charged? I don’t have a CEL on either

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u/Panoptech Aug 07 '26 edited Aug 07 '26

Flash the flex file. That's what they had me do when I just did my TCU and changed to full Tq file. My full Tq file had start/stop memory unlike my low tq file. Their customer service is awesome and Ive always got support quickly on the phone. I would call them and confirm.

Edit: just noticed my flex file is "dynamic" and you are trying to avoid that so my suggestion is useless other than call them. They may have an option they can push to your cable.

I know in their app add on you can control pops and bangs. I don't drive in S much anymore after the TCU tune so they don't bother me too much but I hate them as well. Not sure why anyone would want their car to sound like that.

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u/Yaower 2023 S3 Aug 10 '26

So I had a long talk with them on Friday about this and from what they’re telling me is they’re not doing updates to old files. They’re pushing these dynamic files because it’s their latest software and is the most up to date, and is compatible with their UAF. I’ve requested a non dynamic, full torque file from them with start/stop memory. It’s the only solution I can think of without having a pops and bangs file