Audi bulletin TSB_2074806_4
What it saysThis bulletin provides information when there are noises after selecting a gear while the vehicle is idling and stationary, or while driving. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Jul 10, 2025, received Aug 5, 2025, about the structure. It names 43 model years (2016–2025). 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 information when there are noises after selecting a gear while the vehicle is idling and stationary, or while driving.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB_2074806_4 | Service bulletin | Jul 10, 2025 | 11021452 |
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.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
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Model years it names
Source: as the manufacturer filed themand 3 more on this site: 2020 Audi Q5, 2019 Audi Q5, 2018 Audi Q5.
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 43 model years this bulletin names have filed 1,417 complaints with NHTSA since 2015. 43 of them name Structure — 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.
I have Autoimmune disorder and extreme inflammation. Simply Google Dissecting Cellulitis of the Scalp to truly understand how much i hate my glass or whatever material roof which after Ceramic Tinting limousine tint the roof my condition has worsen since I got this vehicle last November. I've always had Audis and I need help please!
2025 Audi A5 · Structure · filed with NHTSA Jul 17, 2026 · ODI 11751135
My son just crashed my 2018 Audi A4 with pre sense basic and city. $20k damage in the front! No air bag deployed. It happened on a highway during morning rush hour in heavy traffic. He was driving around 40mph, traffic slow down and he did not realize until it was too late. He braked hard, but the auto brake never kicked in
2018 Audi Allroad · Structure · filed with NHTSA Jul 20, 2019 · ODI 11233605
I was driving along the express way when I heard a loud explosion, I look up to see my sunroof exploded and there was glass all over the kids and I. The explosion was so loud I lost control of the car and almost veered off the road. It was terrifying. It happened last year in the winter then happened this year as well.
2018 Audi A5 · Structure · filed with NHTSA Jan 10, 2025 · ODI 11635186
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 structure
Source: same model, same component group166 other manufacturer communications filed against these Audi models under the same component group (structure), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2079787_3 | Service bulletin | Sep 21, 2026 | This bulletin probides information when there is moisture in the footwell, a musty smell in the passenger compartment. |
| TSB_2080959_4 | Service bulletin | Sep 18, 2026 | This bulletin provides information when the rear lid does not close, and opens again. |
| TSB_2079213_4 | Service bulletin | Sep 18, 2026 | This bulletin provides information when the glass roof flickers. |
| TSB_2078648_4 | Service bulletin | Sep 18, 2026 | This bulletin provides information about billing for a broken sunroof glass panel. |
| TSB_2079747_3 | Service bulletin | Sep 17, 2026 | This bulletin provides information regarding various complaints about front or rear door locks. |
| TSB_2082875_1 | Service bulletin | Sep 14, 2026 | This Pending Service Solution (PSS) requests that technicians enter a record in the PSS databse in instances where the rear lid does not ope… |
| TSB_2073860_2 | Service bulletin | Sep 14, 2026 | This bulletin provides information when there are stails/marks on the sill panel trim. |
| TSB_2068999_5 | Service bulletin | Sep 8, 2026 | This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases. |
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_2074806_4 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_2074806_4 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_2074806_4 cover?
The manufacturer filed it against 43 model years: 2025 Audi A4, 2024 Audi A4, 2023 Audi A4, 2022 Audi A4, 2021 Audi A4, 2020 Audi A4 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.