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Manufacturer communication · Service bulletin

Audi bulletin SM C-2023

What it saysThis special notice is to inform dealers to return the parts listed only order the successor parts going forward. NHTSA’s full summary ↓

Audi filed this with NHTSA as a service bulletin dated Dec 20, 2023, received Jan 4, 2024, about the communication. It names 27 model years (2016–2023). 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 communication

This special notice is to inform dealers to return the parts listed only order the successor parts going forward.

Kind Service bulletin Manufacturer date Dec 20, 2023 Received by NHTSA Jan 4, 2024 Components Communication

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
SM C-2023Service bulletinDec 20, 202310248233not found

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 them

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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A weekly email, sent only in a week when Audi files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

What owners reported

Source: NHTSA complaint database

Owners of the 27 model years this bulletin names have filed 1,614 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 communication

Source: same model, same component group

5 other manufacturer communications filed against these Audi models under the same component group (communication), newest first.

NumberKindDatedNHTSA’s summary
A9123512065728_6Service bulletinNov 22, 2023This bulletin provides information when the MMI screen is blank in MIB3 with Apple CarPlay.
A9123492056076_2Service bulletinNov 17, 2023This bulletin provides information when there is no diagnostics communication to the telematics control module in vehicles with ConBox low…
A9123362070942_2Service bulletinOct 26, 2023This bulletin provides information for when there is no diagnostic communication to the telematics control module (ConBox); DTC U142100.
A9123152070942_1Service bulletinJul 19, 2023This bulletin provides information for when there is no diagnostic communication to the telematics control module (ConBox) DTC U142100.
A912308205607618Service bulletinJun 29, 2023Ths bulletin provides information for when no diagnostics communication to the telematics control module; DTC U142100 may be stored.

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.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Audi SM C-2023 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 SM C-2023 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 SM C-2023 cover?

The manufacturer filed it against 27 model years: 2023 Audi Q4 e-tron, 2022 Audi Q4 e-tron, 2023 Audi Q5, 2022 Audi Q5, 2021 Audi Q5, 2020 Audi Q5 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.