Bentley bulletin 2078544/1
What it says"Active noise cancelling basic settings not performed" (Bang & Olufsen) | Flying Spur | 26MY. NHTSA’s full summary ↓
Bentley filed this with NHTSA as a service bulletin dated Jul 21, 2025, received Jul 30, 2025, about the electrical system. It names 1 model year (2026). 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 communicationDTC B1765F1 - "Active noise cancelling basic settings not performed" (Bang & Olufsen) | Flying Spur | 26MY. Condition: For vehicles with a Bang & Olufsen sound system, the following DTC may be stored in the control module 005F (Information Electronics 1): • B1765F1 – Active Noise Cancelling: Basic Settings Not Performed This may be accompanied by customer complaints of diminished active noise cancelling, or a warning in the diagnostic log after a module replacement or software update.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 2078544/1 | Service bulletin | Jul 21, 2025 | 11020979 | PDF, 61 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 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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More bulletins about the electrical system
Source: same model, same component group257 other manufacturer communications filed against the Bentley Flying Spur under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Bentley list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 2080951/2 | Service bulletin | Sep 29, 2026 | Temperature Pop‑Up No Longer Displayed in the MMI Display | Continental GT/GTC /Flying Spur. Customer Statement: Customers may report that t… |
| 2076695/6 | Service bulletin | Sep 28, 2026 | Showroom Charging Instructions | Continental GT/GTC and Flying Spur. Condition: 12v battery voltage drops when on showroom display |
| EE07 | Service campaign | Sep 15, 2026 | Software Update | 12v Li-On Battery | Continental GT/GTC/Flying Spur | SC26/27 Technical background: Affected vehicles have received updated… |
| 2083110/1 | Service bulletin | Sep 10, 2026 | Engine Management Light - N91 Coolant Valve | Flying Spur Hybrid Technical background: Some 22MY Flying Spur Hybrid vehicles may exhibit an… |
| 2082051/4 | Service bulletin | Sep 10, 2026 | 12V Battery Compatibility | Continental GT/GTC/Flying Spur | 26MY. Customer statement / workshop findings: This TPI is intended to give defi… |
| 2078983/5 | Service bulletin | Sep 10, 2026 | 12v Battery Compatibility | Continental GT/GTC/Flying Spur Customer statement / workshop findings: This TPI is intended to give definitive g… |
| 2082051/3 | Service bulletin | Aug 26, 2026 | 12V Battery Compatibility | Continental GT/GTC/Flying Spur | 26MY. Customer statement / workshop findings: This TPI is intended to give defi… |
| 2061369/14 | Service bulletin | Aug 19, 2026 | Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Bentley, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Bentley 2078544/1 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 2078544/1 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 2078544/1 cover?
The manufacturer filed it against 1 model year: 2026 Bentley Flying Spur. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.