Ford over-the-air update ITRM-25.B04
What it says26C10 Recall remedy -Addresses instances where the trailer lights and trailer brakes may not function NHTSA’s full summary ↓
Ford filed this with NHTSA as an over-the-air update dated Apr 13, 2026, received Apr 17, 2026, about the electrical system — 2 documents under this number: ITRM-25. B04 Ranger, ITRM-25. B04 F-150Lightnin. It names 6 model years (2023–2026). An over-the-air update is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communication26C10 Recall remedy -Addresses instances where the trailer lights and trailer brakes may not function
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| ITRM-25. B04 Ranger | Over-the-air update | Apr 13, 2026 | 11031645 | PDF, 22 KB |
| ITRM-25. B04 F-150Lightnin | Over-the-air update | Apr 7, 2026 | 11031374 | PDF, 22 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 6 model years this bulletin names have filed 303 complaints with NHTSA since 2015. 156 of them name Electrical System, Exterior Lighting — 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.
When setting up my vehicle for neutral towing behind my motorhome and having parts installed for the proper operation of my turn signal and brake lights when vehicle is flat towed it was found that for it to happen were the brake lights do not override the turn signal when both activated at the same time you have to let the vehicle enter…
2026 Ford Ranger · Exterior Lighting · filed with NHTSA Sep 13, 2026 · ODI 11763888
My Ford Ranger is on a safety recall. They sold it to us on May 9,2025 then kept the truck. June 1 they told use the recall issue was solved. We were not given documents on this. We are now seeing the parts needed are not available until the end of June. A Fedaral and State law was broken in selling us a vehicle on a safety recall.
2025 Ford Ranger · Electrical System · filed with NHTSA Jun 4, 2026 · ODI 11742182
While driving at speed on public roads on , the primary 12-inch digital instrument cluster suffered a total blackout while the vehicle was powered and moving. The failure eliminated all speedometer readings, battery state-of-charge indicators, gear selections, and safety telltales/warning lights in violation of FMVSS 101.
2024 Ford F-150 Lightning · Electrical System · filed with NHTSA Sep 2, 2026 · ODI 11761496
In depth: 2023 Ford F-150 Lightning electrical problems →
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 group98 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 26-2442 | 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… |
| 26B07 | Other | Sep 24, 2026 | Recommended Repair Prior to Sale Customer Satisfaction Program 26B07 Certain 2021-2025 Model Year F-150 Lightning and Mustang Mach-E Vehicle… |
| SYNC-26.2.8.5 | Over-the-air update | Sep 18, 2026 | 26C37 Recall remedy Prevents a potential rearview camera image obstruction caused by a menu displaying on top of it |
| TCU-26.2.12.2.2 | Over-the-air update | Sep 16, 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 |
| BCM-26.7.1 | Over-the-air update | Sep 16, 2026 | 26S29 Recall remedy: -Updates the Body Control Module to remove sun visor light operation in case of a short |
| ECG-26.2.11.4 | Over-the-air update | Sep 11, 2026 | Quality improvements include: - Enhanced system performance, disk usage limits and memory monitoring -Enhanced charge data monitoring |
| 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 ITRM-25.B04 a recall?
No. A over-the-air update 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 ITRM-25.B04 repair free?
A over-the-air update is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does ITRM-25.B04 cover?
The manufacturer filed it against 6 model years: 2025 Ford F-150 Lightning, 2024 Ford F-150 Lightning, 2023 Ford F-150 Lightning, 2026 Ford Ranger, 2025 Ford Ranger, 2024 Ford Ranger. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.