Audi bulletin TSB_2072873_6
What it saysThis bulletin provides information when the volume control is not working; MIB3; U11B900. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Jan 14, 2026, received Feb 6, 2026, about the electrical system. It names 21 model years (2022–2025). 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 the volume control is not working; MIB3; U11B900.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB_2072873_6 | Service bulletin | Jan 14, 2026 | 11028402 |
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 themAlso filed against model years this site has no page for: 2025 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 20 model years this bulletin names have filed 127 complaints with NHTSA since 2015. 74 of them name Electrical System — 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.
BSG/alternator faulty. Started displaying “electrical malfunction!” Had to stop immediately before immediate shut down on road. Problem had been known on hybrid models of Audi specially larger models. Recall/TSB have been opened for those vehicles. Vehicle was inspected by dealership. No prior warning other than that immediate red warning
2023 Audi A3 · Electrical System · filed with NHTSA Sep 21, 2026 · ODI 11765831
The contact owns a 2022 Audi E-Tron GT. The contact received notification of NHTSA Campaign Number: 24V726000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.
2022 Audi e-tron GT · Electrical System · filed with NHTSA Apr 30, 2025 · ODI 11657710
I tried to charge my Q4 at home, the charging connector to the car had warning red light. So, I checked up dashboard. It's said that AC charging is limited. Eventually, I can't charge. I went to the audi dealer. They said it's simple software issue. Waited 2 hours, one day works fine. Same issue. They don't know what to do.
2025 Audi Q4 e-tron · Electrical System · filed with NHTSA Sep 26, 2026 · ODI 11767194
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 electrical system
Source: same model, same component group807 other manufacturer communications filed against these Audi models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2081723_3 | Service bulletin | Sep 25, 2026 | This bulleti provides informaitpon wheh the electric drive system warning lamp lights up; DTCs under 008C. |
| TSB_2083385_1 | Service bulletin | Sep 23, 2026 | This bulletin provides information when there is a warning message in the instrument cluster about external sound. |
| TSB_2076396_3 | Service bulletin | Sep 23, 2026 | This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assis… |
| TSB_2063336_5 | Service bulletin | Sep 23, 2026 | This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change… |
| TSB_2068573_6 | Service bulletin | Sep 18, 2026 | This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor faul… |
| TSB_2081074_2 | Service bulletin | Sep 15, 2026 | This bulletin provides information when the front assist intervenes. |
| TSB_2074059_4 | Service bulletin | Sep 15, 2026 | This bulletin provides general information about SOS Emergency Assist. |
| TSB_2058077_11 | Service bulletin | Sep 15, 2026 | This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement. |
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_2072873_6 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_2072873_6 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_2072873_6 cover?
The manufacturer filed it against 21 model years: 2024 Audi A3, 2023 Audi A3, 2022 Audi A3, 2025 Audi Q4 e-tron, 2024 Audi Q4 e-tron, 2023 Audi Q4 e-tron and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.