Audi bulletin TSB_2074808_3
What it saysThis bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Dec 11, 2025, received Jan 7, 2026, about the power train. It names 214 model years (2016–2024). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB_2074808_3 | Service bulletin | Dec 11, 2025 | 11027358 |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themand 174 more on this site: 2019 Audi A7, 2018 Audi A7, 2017 Audi A7, 2016 Audi A7, 2024 Audi A8, 2023 Audi A8, 2022 Audi A8, 2021 Audi A8, 2020 Audi A8, 2019 Audi A8, 2018 Audi A8, 2017 Audi A8, 2016 Audi A8, 2018 Audi Allroad, 2016 Audi Allroad, 2024 Audi Q3, 2023 Audi Q3, 2022 Audi Q3, 2021 Audi Q3, 2020 Audi Q3, 2019 Audi Q3, 2018 Audi Q3, 2017 Audi Q3, 2016 Audi Q3, 2024 Audi Q4 e-tron, 2023 Audi Q4 e-tron, 2022 Audi Q4 e-tron, 2024 Audi Q5, 2023 Audi Q5, 2022 Audi Q5, 2021 Audi Q5, 2020 Audi Q5, 2019 Audi Q5, 2018 Audi Q5, 2017 Audi Q5, 2016 Audi Q5, 2024 Audi Q7, 2023 Audi Q7, 2022 Audi Q7, 2021 Audi Q7, 2020 Audi Q7, 2019 Audi Q7, 2018 Audi Q7, 2017 Audi Q7, 2024 Audi Q8, 2023 Audi Q8, 2022 Audi Q8, 2021 Audi Q8, 2020 Audi Q8, 2019 Audi Q8, 2024 Audi Q8 e-tron, 2023 Audi R8, 2022 Audi R8, 2021 Audi R8, 2020 Audi R8, 2018 Audi R8, 2017 Audi R8, 2017 Audi R8 Spyder, 2024 Audi RS, 2023 Audi RS, 2022 Audi RS, 2021 Audi RS, 2020 Audi RS, 2019 Audi RS, 2018 Audi RS 3, 2017 Audi RS 3, 2018 Audi RS 5, 2018 Audi RS 7, 2017 Audi RS 7, 2016 Audi RS 7, 2024 Audi RS Q8, 2023 Audi RS Q8, 2022 Audi RS Q8, 2021 Audi RS Q8, 2020 Audi RS Q8, 2024 Audi RS e-tron GT, 2023 Audi RS e-tron GT, 2022 Audi RS e-tron GT, 2024 Audi S3, 2023 Audi S3, 2022 Audi S3, 2020 Audi S3, 2019 Audi S3, 2018 Audi S3, 2017 Audi S3, 2016 Audi S3, 2024 Audi S4, 2023 Audi S4, 2022 Audi S4, 2021 Audi S4, 2020 Audi S4, 2019 Audi S4, 2018 Audi S4, 2016 Audi S4, 2024 Audi S5, 2023 Audi S5, 2022 Audi S5, 2021 Audi S5, 2020 Audi S5, 2019 Audi S5, 2018 Audi S5, 2017 Audi S5, 2016 Audi S5, 2024 Audi S6, 2023 Audi S6, 2022 Audi S6, 2021 Audi S6, 2020 Audi S6, 2018 Audi S6, 2017 Audi S6, 2016 Audi S6, 2024 Audi S7, 2023 Audi S7, 2022 Audi S7, 2021 Audi S7, 2020 Audi S7, 2018 Audi S7, 2017 Audi S7, 2016 Audi S7, 2024 Audi S8, 2023 Audi S8, 2022 Audi S8, 2021 Audi S8, 2020 Audi S8, 2018 Audi S8, 2017 Audi S8, 2016 Audi S8, 2024 Audi SQ5, 2023 Audi SQ5, 2022 Audi SQ5, 2021 Audi SQ5, 2020 Audi SQ5, 2019 Audi SQ5, 2018 Audi SQ5, 2017 Audi SQ5, 2016 Audi SQ5, 2024 Audi SQ7, 2023 Audi SQ7, 2022 Audi SQ7, 2021 Audi SQ7, 2020 Audi SQ7, 2024 Audi SQ8, 2023 Audi SQ8, 2022 Audi SQ8, 2021 Audi SQ8, 2020 Audi SQ8, 2024 Audi SQ8 e-tron, 2023 Audi TT, 2022 Audi TT, 2021 Audi TT, 2020 Audi TT, 2019 Audi TT, 2022 Audi TT RS, 2019 Audi TT RS, 2018 Audi TT RS, 2018 Audi TT Roadster, 2017 Audi TT Roadster, 2016 Audi TT Roadster, 2021 Audi TTS, 2020 Audi TTS, 2023 Audi TTS Coupe, 2022 Audi TTS Coupe, 2019 Audi TTS Coupe, 2018 Audi TTS Coupe, 2017 Audi TTS Coupe, 2016 Audi TTS Coupe, 2023 Audi e-tron, 2022 Audi e-tron, 2021 Audi e-tron, 2020 Audi e-tron, 2019 Audi e-tron, 2024 Audi e-tron GT, 2023 Audi e-tron GT, 2022 Audi e-tron GT.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 214 model years this bulletin names have filed 3,575 complaints with NHTSA since 2015. 242 of them name Power Train — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On the 2019 Audi Q8, the 21 owners who gave an odometer reading for Power Train reported it at a median of 4,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
On March 22, 2026, my Check Engine light came on while driving my 2022 Audi A3. Prior to this, I had been noticing a slight jerk when accelerating from a stop. Because Audi dealerships charge approximately $250 just to read diagnostic codes, I went to Discount Auto Parts, where they retrieved code P27F500 — indicating the gear shift lock…
2022 Audi A3 · Power Train · filed with NHTSA Mar 23, 2026 · ODI 11726245
The contact owns a 2024 Audi A5. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power with an unknown warning light illuminated. The vehicle was towed to the dealer, and the parking brake actuator was replaced; however, the failure persisted. Additionally, the brake pedal was loose while depressed.
2024 Audi A5 · Power Train · filed with NHTSA Jul 10, 2026 · ODI 11749569
This 2021 Audi SQ8 vehicle was purchased new. The vehicle features an automatic engine stop/start feature which is intended to enhance vehicle fuel economy. The incident(s) include: (1) multiple instances when slowing to a stop and the stop/start feature turned off the vehicle engine before the vehicle has come to a stop, leaving the…
2021 Audi SQ8 · Power Train · filed with NHTSA Aug 27, 2021 · ODI 11430803
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the power train
Source: same model, same component group166 other manufacturer communications filed against these Audi models under the same component group (power train), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2080075_4 | Service bulletin | Sep 28, 2026 | This TSB provides information when there is a drive system fault in the instrument clusteer, DTC P066700, symptom 20752, address: 0002. |
| TSB_2079998_5 | Service bulletin | Sep 28, 2026 | This bulletin provides information when there is a drive system fault in the insrument cluster; DTC P071100 symptom 20756 - diagnostic addre… |
| TSB_2080077_4 | Service bulletin | Sep 25, 2026 | This bulletin provides information when the gearbox warning light illuminates; drive system fault with event memory entry P060A00; P1FD700. |
| TSB_2074899_6 | Service bulletin | Sep 23, 2026 | This bulletin prolvides information when there are clacking noises during load changes/when changing direction. |
| TSB_2081071_3 | Service bulletin | Aug 20, 2026 | This Pending Service Solution (PSS) requests that technicians enter a record in the PSS databse when there is functional issue in the gearbo… |
| TSB_2074899_5 | Service bulletin | Aug 11, 2026 | This bulletin provides informaoitn when there are clacking noises during load changes/when changing direction; Gearbox UYX. |
| TSB_2082948_1 | Service bulletin | Aug 5, 2026 | This bulletin provides information when the transmission position cannot be selected. |
| TSB_2059057_15 | Service bulletin | Aug 4, 2026 | This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Audi, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Audi TSB_2074808_3 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the TSB_2074808_3 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does TSB_2074808_3 cover?
The manufacturer filed it against 214 model years: 2024 Audi A3, 2023 Audi A3, 2022 Audi A3, 2020 Audi A3, 2019 Audi A3, 2018 Audi A3 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.