Audi bulletin A2724812075177_2
What it saysThis bulletin provides information when there is a ecahnical fault in the Starter Generator; P2BA300. NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Oct 30, 2024, received Nov 6, 2024, about the electrical system. It names 11 model years (2019–2022). 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 when there is a ecahnical fault in the Starter Generator; P2BA300.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| A2724812075177_2 | Service bulletin | Oct 30, 2024 | 11009931 |
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 11 model years this bulletin names have filed 41 complaints with NHTSA since 2015. 23 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.
Repair (component replacement) performed under Audi recall 27BQ (or 27BQ_DLR_LAUNCH) for faulty starter-alternator that can cause immediate catastrophic failure of all electrical systems affecting powertrain, steering, suspension, safety features, and emissions equipment has failed after 12 months and 2,516 miles.
2022 Audi RS · Electrical System · filed with NHTSA Dec 15, 2025 · ODI 11704997
See attached document for complaint. I took my 2021 AUDI A8 to Audi Rockville located at 1125 Rockville Pike; Rockville, MD 20852 on July 18 to fix the recall. After waiting for 2 hours at the dealership, they told me they must go to BestBuy to buy a USB stick and asked if we could re-schedule which we did.
2021 Audi A8 · Electrical System · filed with NHTSA Apr 2, 2026 · ODI 11728863
8/23/2021-I was slowing down at a red light and getting ready to stop but the light turned green and so high pushed on the gas to go before I got to a full stop. The battery warning light came on so I turned around to go back home can you swap cars. My fiancé had to go to work that day and took the vehicle.
2020 Audi A8 · Electrical System · filed with NHTSA Oct 6, 2021 · ODI 11435705
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 group583 other manufacturer communications filed against these Audi models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2083385_1 | Service bulletin | Sep 23, 2026 | This bulletin provides information when there is a warning message in the instrument cluster about external sound. |
| TSB_2076396_3 | Service bulletin | Sep 23, 2026 | This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assis… |
| TSB_2063336_5 | Service bulletin | Sep 23, 2026 | This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change… |
| TSB_2068573_6 | Service bulletin | Sep 18, 2026 | This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor faul… |
| TSB_2081074_2 | Service bulletin | Sep 15, 2026 | This bulletin provides information when the front assist intervenes. |
| TSB_2074059_4 | Service bulletin | Sep 15, 2026 | This bulletin provides general information about SOS Emergency Assist. |
| TSB_2058077_11 | Service bulletin | Sep 15, 2026 | This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement. |
| TSB_2054202_8 | Service bulletin | Sep 15, 2026 | This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for… |
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 A2724812075177_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 A2724812075177_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 A2724812075177_2 cover?
The manufacturer filed it against 11 model years: 2021 Audi A8, 2020 Audi A8, 2019 Audi A8, 2022 Audi RS, 2021 Audi RS, 2022 Audi RS Q8 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.