Engine code U0101 ?
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AudiWorld Junior Member
Joined: Dec 2020
Posts: 18
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Engine code U0101 ?
I have a 2021 TT RS with 5400 miles and decided to tune the car with unitromic stage 1+ and the stage 2 transmission. I loaded the engine file and saw it gave me this code U0101 but successfully loaded both ecu and tcu files. I don’t have any check engine lights on and don’t feel like there are any issues. Is this a normal code from the tune or something i need to go back to stock and bring to the dealer. When I tried to clear it did not remove. Strange again with no warning lights. Help please
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AudiWorld Junior Member
Joined: Dec 2020
Posts: 18
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when I put in support ticket tney told me for mine to call and get firmware update and code would go away. Car drives awesome. Pretty normal till you hit some throttle
AudiWorld Junior Member
Joined: Apr 2022
Posts: 39
Likes: 6
From: Maine
Well, first off they didn't have stage 1+ loaded so I had to call but they quickly fixed that. Then it gave me a funny error code loading the ECU tune, before it loaded so no real problem, then the second time it loaded fine. TCU tune takes about 1 minute to load, ECU more like 10 fyi. Nothing that had me concerned, more like a couple hiccups. Totally worth it, even stage 1+ is an animal compared to stock.
TT fan
Joined: Nov 2019
Posts: 398
Likes: 88
From: Rome, Italy
ok, thanks for sharing, intention was just to anticipate possible issues during file uploading since we own the same car.
For what concerning Unitronic map effectiveness, I had already stage 1+ and then stage 2 on my previous TTS, nothing to say
For what concerning Unitronic map effectiveness, I had already stage 1+ and then stage 2 on my previous TTS, nothing to say
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AudiWorld Junior Member
Joined: Oct 2019
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I too have a 2021 TTRS with 7K on the odometer. Had the ECU and TCU tune to through United Motorsports. Since I’m computer illiterate I had the car tuned locally. No lights are displayed. I’m the second owner on this vehicle. The first owner paid for a four year service plan, wheel warranty, and and additional warranty on the engine. I may think twice about bringing your TTRS into your local Audi dealership, as your probably aware a tuned car is not covered under warranty. The tune sure made a difference, as if I needed more power. Good luck!
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