Acura bulletin ONL6M309172024
What it saysOwner Notification Letter - A coaxial cable terminal was not manufactured to proper specifications. NHTSA’s full summary ↓
Acura filed this with NHTSA as a manufacturer communication dated Sep 18, 2024, received Sep 26, 2024, about the electrical system. It names 10 model years (2021–2024). A manufacturer communication 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 communicationOwner Notification Letter - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
One of the 429 warranty extensions and special-coverage programs on file — every make, with the term each runs to.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| ONL6M309172024 | Other | Sep 18, 2024 | 11008048 | PDF, 329 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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What owners reported
Source: NHTSA complaint databaseOwners of the 10 model years this bulletin names have filed 612 complaints with NHTSA since 2015. 67 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.
My TLX Tech 2023 lost complete power while I pulled up to a busy intersection on a dark and rainy day. As a puled to stop and my idle stop enabled the car was fine. Once I tried to accelerate the car immediately went into Park from Drive. All of the controls started to blink and the car powered down like a computer system who was on 0%.
2023 Acura TLX · Electrical System · filed with NHTSA Nov 10, 2023 · ODI 11554520
Car’s advertised anti-theft features are faulty. They have two tracking features with also both failed. When I contacted Acura they said this was a known issue and highly prevalent in NY, DC, FL, MD. Cars computer is cloneable and it takes less than 3 minutes to enter and steal without keys or breaking windows or enabling alarms
2023 Acura TLX · Electrical System · filed with NHTSA Nov 14, 2025 · ODI 11699323
The contact owns a 2023 Acura MDX. The contact stated that while driving 40 MPH, on a rough road, the "Brake" warning light illuminated, then several warning lights illuminated. In addition, the contact stated the vehicle went into LIMP Mode and failed to accelerate as intended while depressing the accelerator pedal.
2023 Acura MDX · Electrical System · filed with NHTSA Jun 24, 2025 · ODI 11668974
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 group36 other manufacturer communications filed against these Acura models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Acura list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| D.1.6.4 | Over-the-air update | May 18, 2026 | Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Up… |
| BBTS30565 | Other | Apr 7, 2026 | Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's… |
| 8A050-TYA-A017 | Over-the-air update | Mar 10, 2026 | Over The Air System Updates - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air S… |
| F.1.4.1 | Over-the-air update | Jan 21, 2026 | Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which add… |
| 8A050-TYA-A016 | Over-the-air update | Jan 17, 2026 | Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which add… |
| BB29050 | Other | Aug 4, 2025 | Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored… |
| B23-002 | Service bulletin | Jul 7, 2025 | Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due… |
| BTI&05162025901 | Other | May 16, 2025 | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2025 MDX’s with a client complaint of no sound while making A… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Acura, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Acura ONL6M309172024 a recall?
No. A manufacturer communication 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 ONL6M309172024 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. Every Honda warranty extension on file lists the ones Honda has filed.
Which vehicles does ONL6M309172024 cover?
The manufacturer filed it against 10 model years: 2024 Acura MDX, 2023 Acura MDX, 2022 Acura MDX, 2024 Acura RDX, 2023 Acura RDX, 2022 Acura RDX and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.