Audi bulletin A4623442056700_5
What it saysThis bulletin provides information pertaining to when a customer reports a squealing noise from the front brakes. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated May 19, 2023, received Jun 6, 2023, about the service brakes. It names 2 model years (2019–2020). 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 pertaining to when a customer reports a squealing noise from the front brakes.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| A4623442056700_5 | Service bulletin | May 19, 2023 | 10236618 | PDF, 353 KB |
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 themA 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 2 model years this bulletin names have filed 88 complaints with NHTSA since 2015.
The contact owns a 2019 Audi E-Tron Quattro. The contact stated that while driving at various speeds, the vehicle intermittently failed to stop while depressing the brake pedal. The contact was forced to depress the brake pedal to the floorboard to stop the vehicle.
2019 Audi e-tron · Service Brakes · filed with NHTSA Sep 30, 2026 · ODI 11768005
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 service brakes
Source: same model, same component group29 other manufacturer communications filed against the Audi e-tron under the same component group (service brakes), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2077435_3 | Service bulletin | Aug 21, 2026 | This bulletin provides information when there are cracks on the friction ring surface on ceramic brake discs. |
| TSB_2069904_3 | Service bulletin | Aug 21, 2026 | This bulletin provides information for all models regarding brake sounds. |
| TSB_2069078_4 | Service bulletin | Aug 21, 2026 | This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only). |
| TSB_2067132_4 | Service bulletin | Aug 21, 2026 | This bulletin provides information when there is corrosion on the friction survace of steel brake discs. |
| TSB_2075120_3 | Service bulletin | Aug 11, 2026 | This bulletin provides information about the general approach for brake vibration concerns. |
| TSB_2072304_4 | Service bulletin | Aug 11, 2026 | This bulletin provides information when there is an ABS/ESC speed sensor implausible signal. |
| TSB_2069904_2 | Service bulletin | Oct 22, 2025 | This bulletin provides information for all models regarding brake sounds. |
| TSB_2077435_2 | Service bulletin | Oct 21, 2025 | This bulletin provides information when there are cracks on the friction ring surface on ceramic brake discs. |
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 A4623442056700_5 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 A4623442056700_5 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 A4623442056700_5 cover?
The manufacturer filed it against 2 model years: 2020 Audi e-tron, 2019 Audi e-tron. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.