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Manufacturer communication · Service bulletin

Audi bulletin A9424782070694_2

What it saysThis bulletin provides information when there is a functional issue with the lights in the rear lid; B146C29. NHTSA’s full summary ↓

Audi filed this with NHTSA as a service bulletin dated Apr 11, 2024, received May 7, 2024, about the exterior lighting. It names 25 model years (2017–2024). 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 bulletin provides information when there is a functional issue with the lights in the rear lid; B146C29.

Kind Service bulletin Manufacturer date Apr 11, 2024 Received by NHTSA May 7, 2024 Components Exterior Lighting

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
A9424782070694_2Service bulletinApr 11, 202410254077PDF, 422 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 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 25 model years this bulletin names have filed 1,305 complaints with NHTSA since 2015. 166 of them name Exterior Lighting — 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.

On the 2017 Audi Q7, the 18 owners who gave an odometer reading for Exterior Lighting reported it at a median of 67,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.

Due to "supply chain" issues, Audi downgraded headlights for certain vehicle models / years to the older standard LED headlights instead of the Matrix Design / Matrix Laser lights originally intended; such as the SQ7.

2022 Audi SQ7 · Exterior Lighting · filed with NHTSA Nov 14, 2024 · ODI 11625174

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 exterior lighting

Source: same model, same component group

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

NumberKindDatedNHTSA’s summary
A9424792063739_2Service bulletinApr 12, 2024This bulletin provides information when the headlights do not turn off during daylight hours.
A942473201274917Service bulletinMar 9, 2024This bulletin provides information when the exterior lights have moisture accumulation.
A9424722073282_1Service bulletinMar 9, 2024This bulletin provides information on visual concerns with the headlight lens.
A9423672071954_1Service bulletinOct 30, 2023This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A9423652061922_3Service bulletinJun 8, 2023This bulletin provides detailed information on the proper documentation of optical concerns for headlights and taillights.

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 A9424782070694_2 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 A9424782070694_2 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 A9424782070694_2 cover?

The manufacturer filed it against 25 model years: 2024 Audi Q5, 2023 Audi Q5, 2022 Audi Q5, 2021 Audi Q5, 2020 Audi Q5, 2019 Audi Q5 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.