Ford bulletin TSB 25-2477
What it saysSome of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: Poor speaker sound quality (static, pop, crackle) while using Bluetooth audio Poor outbound phone call… NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Oct 8, 2025, received Oct 14, 2025, about the electrical system. It names 4 model years across Ford and Lincoln (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.
One page for every brand it was filed under. Each brand’s bulletins: Ford · Lincoln.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: Poor speaker sound quality (static, pop, crackle) while using Bluetooth audio Poor outbound phone call sound quality while using Bluetooth This may be due to the APIM (accessory protocol interface module) software.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB 25-2477 | Service bulletin | Oct 8, 2025 | 11024268 | PDF, 192 KB |
What the document itself lists
Labour operations and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 252477A | 2024-2025 Nautilus: Test Battery, Check APIM Software Version, Reprogram APIM, TCU… | 2.6 hrs |
| 252477B | 2024-2025 Nautilus: Extra Time for Additional GWM Reprograming | 0.5 hrs |
| 252477C | 2024-2025 Nautilus: Extra Time for Additional TCU Reprograming | 0.4 hrs |
| 252477D | 2024-2025 Nautilus: Extra Time for Additional APIM Reprograming | 1.2 hrs |
| 252477E | 2025 Explorer/Aviator: Test Battery, Check APIM Software Version, Reprogram APIM… | 2.6 hrs |
| 252477F | 2025 Explorer/Aviator: Extra Time for Additional GWM Reprograming | 0.5 hrs |
| 252477G | 2025 Explorer/Aviator: Extra Time for Additional TCU Reprograming | 0.4 hrs |
| 252477H | 2025 Explorer/Aviator: Extra Time for Additional APIM Reprograming | 1.2 hrs |
Read by machine from the document NHTSA serves (4 pages), read Sep 30, 2026. A part number is shown only where it matches Ford’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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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 themFord 1 model year
Lincoln 3 model years
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 4 model years this bulletin names have filed 194 complaints with NHTSA since 2015. 40 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.
During a short drive between and roughly 27 miles, the red battery light on the dash display illuminated just as we were turning into the Holiday/Circle K gas station in . No other warnings or messages appeared on the dash, and upon restart after returning to the vehicle, the red battery light did not reappear.
2025 Lincoln Nautilus · Electrical System · filed with NHTSA Aug 28, 2026 · ODI 11760280
Gateway module does not work. I've had my 2025 vehicle since 11/21/2024 (over 7 months) and it has never worked. I have not had a safety update since 05/2024 when it was at the factory. There has been many OTA updates and updates that need to be preformed at dealership and have not had any completed.
2025 Ford Explorer · Electrical System · filed with NHTSA Jul 4, 2025 · ODI 11671252
Multiple loss of power, misfires, rough running and abnormal shifting. These events have put my family and I at risk as well as posing a significant risk to other drivers sharing the road due to the sudden loss of power while on the highway. Lincoln is dismissive and not taking this seriously.
2025 Lincoln Aviator · Electrical System · filed with NHTSA Sep 15, 2026 · ODI 11764477
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 group163 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 |
|---|---|---|---|
| 26-2431 v2 | Service bulletin | Oct 22, 2026 | This bulletin supersedes 26-2226. Reason for update: update the Service procedure for 2021-2022 F-150 3.5L EcoBoost vehicles with new Ford D… |
| SSM 55256 | Service bulletin | Oct 16, 2026 | Some 2024-2026 Nautilus and 2025-2027 Explorer/Aviator vehicles equipped with power folding mirrors may exhibit concerns with the auto foldi… |
| SSM 55247 | Service bulletin | Oct 15, 2026 | Some 2024-2026 Nautilus vehicles may experience an "Advance Front Lighting Features Temporarily Unavailable" message with diagnostic trouble… |
| 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 55241 | Service bulletin | Oct 12, 2026 | Some 2025-2027 Aviator vehicles may exhibit a "Door Fault Service Required", "Transmission Not In Park" and/or "Hill Start Assist Not Availa… |
| SSM 55220 | Service bulletin | Oct 6, 2026 | Some 2024-2026 Nautilus and 2025-2026 Explorer/Aviator/Expedition/Navigator vehicles may experience Android Auto connection or general Bluet… |
| 25E10-S1 | Emissions | Sep 30, 2026 | NEW VEHICLE DELIVERY HOLD - Emissions Recall 25E10 - Supplement #1 Certain 2018-2020 Model Year F-150 Vehicles With 3.3L Engines and 2016-20… |
| 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… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford and Lincoln, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford TSB 25-2477 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 25-2477 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 25-2477 cover?
The manufacturer filed it against 4 model years across 2 brands (Ford and Lincoln): 2025 Ford Explorer, 2025 Lincoln Aviator, 2025 Lincoln Nautilus, 2024 Lincoln Nautilus. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: 2025 Explorer: built on or before 20 Jul 2025; 2025 Lincoln 2025 Aviator: built on or before 20 Jul 2025 — the build date is on the certification label in the driver’s door jamb.