Audi bulletin AOS-23-40
What it saysThis communication is a notice for software changes with the ODIS program to correct the Deactivate Production Mode test that is failing. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Oct 25, 2023, received Nov 6, 2023, about the back over prevention. It names 1 model year (2023). 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 communication is a notice for software changes with the ODIS program to correct the Deactivate Production Mode test that is failing.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| AOS-23-40 | Service bulletin | Oct 25, 2023 | 10244607 | PDF, 101 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.
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 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 1 model year this bulletin names have filed 57 complaints with NHTSA since 2015.
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 back over prevention
Source: same model, same component group2 other manufacturer communications filed against the Audi Q5 under the same component group (back over prevention), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| AOS-25-28 | Service bulletin | Jun 5, 2025 | This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: Th… |
| A9023522059891_5 | Service bulletin | Nov 10, 2023 | This bulletin provides information for the Audi pre sense restricted function icon displayed after the engine is started. |
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 AOS-23-40 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 AOS-23-40 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 AOS-23-40 cover?
The manufacturer filed it against 1 model year: 2023 Audi Q5. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.