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Manufacturer communication · Service bulletin

Audi bulletin TSB_2082908_2

What it saysThis bulletin provides information when the 12V battery is discharged due to bus wake-ups by the high-voltage charging unit. NHTSA’s full summary ↓

Audi filed this with NHTSA as a service bulletin dated Sep 21, 2026, received Oct 5, 2026, about the electrical system. It names 2 model years (2024–2025). 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 communication

This bulletin provides information when the 12V battery is discharged due to bus wake-ups by the high-voltage charging unit.

Kind Service bulletin Manufacturer date Sep 21, 2026 Received by NHTSA Oct 5, 2026 Components Electrical System

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
TSB_2082908_2Service bulletinSep 21, 202611038107PDF

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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What owners reported

Source: NHTSA complaint database

Owners of the 2 model years this bulletin names have filed 81 complaints with NHTSA since 2015. 32 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.

The vehicle exhibits multiple, unresolved safety-critical defects across software and mechanical systems that create an unpredictable and dangerous driving environment. Despite multiple repair attempts, the manufacturer has failed to certify the vehicle as safe for operation. 1.

2024 Audi Q5 · Electrical System · filed with NHTSA May 13, 2026 · ODI 11737704

Randomly the MMI screens are blank. This means I have no speedometer, I cannot see my fuel level and there is no audio, such as blinker indicator

2025 Audi Q5 · Electrical System · filed with NHTSA Mar 31, 2026 · ODI 11728309

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 group

602 other manufacturer communications filed against the Audi Q5 under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Audi list.

NumberKindDatedNHTSA’s summary
TSB_2082223_5Service bulletinSep 30, 2026This bulletin provides information regarding software update KD2* 03.11.00/C (28.14.01).
TSB_2081477_7Service bulletinSep 30, 2026This bulletin provides an overview of the combined software updates for cluster 3; PPE/PPC.
TSB_2080988_4Service bulletinSep 30, 2026This bulletin provides information when the rear lid only opens/clolses slightly and then stops.
TSB_2080076_3Service bulletinSep 30, 2026This bulletin provides information when there is an engine warning lamp on; DTC P157000 is logged in the ECM.
TSB_2079976_3Service bulletinSep 30, 2026This bulletin provides information when there is occasionally audio output for entertainment when the vehicle is started.
TSB_2079975_3Service bulletinSep 30, 2026This bulletin provides informaiton when the sound output pauses automatically after starting the vehicle.
TSB_2079974_3Service bulletinSep 30, 2026This bulleitn provides informaiton when there is a translucent rectangle covering the center display.
TSB_2079972_4Service bulletinSep 30, 2026This bulletin provides information when the time does not autmotically update when daylight savings time begins or ends.

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 TSB_2082908_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 TSB_2082908_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 TSB_2082908_2 cover?

The manufacturer filed it against 2 model years: 2025 Audi Q5, 2024 Audi Q5. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.