Ford bulletin OTASU242010SYNCS
What it saysQuality improvements include: - SYNC Screen Stability Improvements. NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Apr 23, 2024, received May 6, 2024, about the electrical system. It names 4 model years (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 communicationQuality improvements include: - SYNC Screen Stability Improvements.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| OTASU242010SYNCS | Service bulletin | Apr 23, 2024 | 10254337 | PDF, 86 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 themAlso filed against model years this site has no page for: 2024 Ford F-550 SD.
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 databaseOwners of the 3 model years this bulletin names have filed 94 complaints with NHTSA since 2015. 31 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 contact owns a 2024 Ford F-350 SD. The contact stated that while driving at various speeds and hauling a trailer, the trailer brakes failed to activate while depressing the brake pedal. During the failure, there were no warning lights or messages displayed. The cause of the failure was not yet determined.
2024 Ford F-350 Super Duty · Electrical System · filed with NHTSA Jun 16, 2025 · ODI 11667178
The truck will shut off a short period of time after starting and often won't restart. It displays a message stating "Vehicle may not start/restart. Service now". Sometimes this message will pop up even without the vehicle shutting off. This has occurred in park, drive, and reverse.
2024 Ford F-250 Super Duty · Electrical System · filed with NHTSA Feb 25, 2026 · ODI 11720534
The contact owns a 2024 Ford F-450 SD. The contact stated while driving approximately 35 MPH, there was a popping sound coming from behind the instrument panel. The contact stated that there was smoke coming from the instrument panel and through the vents.
2024 Ford F-450 Super Duty · Electrical System · filed with NHTSA Dec 5, 2024 · ODI 11629086
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 group100 other manufacturer communications filed against these Ford models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Ford list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB 26-2439 | Service bulletin | Oct 21, 2026 | Some of the vehicles listed in the Model statement above may exhibit the HVAC (heating, ventilation, and air conditioning) and radio system… |
| SSM 55255 | Service bulletin | Oct 15, 2026 | Some 2024-2026 F-Super Duty vehicles equipped with a 360-degree camera may exhibit a distorted or corrupted 360-degree camera image in the c… |
| TSB 26-2442 | Service bulletin | Oct 14, 2026 | This bulletin supersedes 26-2297. Reason for update: Add 2022-2025 Transit vehicles. Some of the vehicles listed in the model statement abov… |
| SSM 55239 | Service bulletin | Oct 12, 2026 | Some 2023-2026 F-Super Duty vehicles equipped with a trailer brake control module and built on or before 08-May-2026 may exhibit a "Trailer… |
| SSM 55208 | Service bulletin | Sep 25, 2026 | Some 2024-2026 F-150, 2025 Explorer/Aviator, 2025-2026 Expedition/Navigator, or 2026 F-Super Duty vehicles may exhibit diagnostic trouble co… |
| TCU-26.2.12.2.1 | Over-the-air update | Sep 17, 2026 | Quality improvements include: -Addresses a bug that may cause updates to fail |
| ECG-26.2.12.3 | Over-the-air update | Sep 16, 2026 | Quality improvements include: -ePrivacy enhancements |
| SSM 55118 | Service bulletin | Aug 25, 2026 | Some of the following vehicles: * 2023-2025 F-Super Duty built on or before 02-Feb-2025 * 2024-2026 Ranger/Bronco/Mustang * 2024-2025 F-15… |

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford OTASU242010SYNCS 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 OTASU242010SYNCS 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 OTASU242010SYNCS cover?
The manufacturer filed it against 4 model years: 2024 Ford F-250 Super Duty, 2024 Ford F-350 Super Duty, 2024 Ford F-450 Super Duty, 2024 Ford F-550 SD. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.