Ford over-the-air update TCU-26.2.12.2.2
What it saysQuality improvements include: -Addresses a bug that may cause updates to fail NHTSA’s full summary ↓
Ford filed this with NHTSA as an over-the-air update dated Sep 16, 2026, received Sep 21, 2026, about the electrical system — 1 document under this number: TCU-26.2.12.2.2 Mach E, F. It names 23 model years across Ford and Lincoln (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.
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 communicationQuality improvements include: -Addresses a bug that may cause updates to fail
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TCU-26.2.12.2.2 Mach E, F | Over-the-air update | Sep 16, 2026 | 11037419 | not found |
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 19 model years
Lincoln 4 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 23 model years this bulletin names have filed 1,653 complaints with NHTSA since 2015. 542 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.
On the 2023 Ford Escape, the 16 owners who gave an odometer reading for Electrical System reported it at a median of 15,500 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The contact owns a 2024 Ford Mustang. The contact received notification of NHTSA Campaign Number: 24V802000 (Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue.
2024 Ford Mustang · Electrical System · filed with NHTSA Jan 21, 2025
The contact owns a 2023 Ford Mustang Mach-E. The contact stated while driving approximately 35 MPH, a MIL warning illuminated, with the message “Immediate Loss of Power” displayed. The contact stated that the vehicle shut off and the battery was drained. The contact stated that the vehicle stopped and independently shifted to park(P).
2023 Ford Mustang Mach-E · Electrical System · filed with NHTSA Dec 5, 2023
Recalls on 2024 Ford Mustangs: On 09/22/2026, at approximately 11:34AM, my Ford Mustang suffered a catastrophic malfunction. When I was braking on the offramp, the brakes did not engage and remained firm and unresponsive. The car immediately accelerated, despite my efforts on the brakes accompanied by the use of the emergency brake.
2026 Ford Mustang · Electrical System · filed with NHTSA Sep 23, 2026
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 group410 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 |
|---|---|---|---|
| 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… |
| TSB 26-2380 | Service bulletin | Sep 24, 2026 | This article supersedes TSB 25-2575 to update the Parts list to add the applicable body wiring harnesses and underbody shield bolts. Some ve… |
| TCU-26.2.11.5 | Over-the-air update | Sep 24, 2026 | Quality improvements include: -Addresses key off load battery usage caused by the Telematics Control Unit's Wi-Fi not powering down properly… |
| 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… |
| SSM 55194 | Service bulletin | Sep 23, 2026 | Some 2021-2024 Mustang Mach-E, 2025-2026 Navigator and 2024 F-150 vehicles may exhibit inoperative welcome/approach detection lights. This m… |
| TSB 26-2421 | Service bulletin | Sep 18, 2026 | This bulletin updates 25-2622. Reason for update: * Update the Service Procedure to: - Remove Step related connecting a battery charger - Ad… |
| 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 |
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 TCU-26.2.12.2.2 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 TCU-26.2.12.2.2 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 TCU-26.2.12.2.2 cover?
The manufacturer filed it against 23 model years across 2 brands (Ford and Lincoln): 2026 Ford Bronco, 2025 Ford Bronco, 2023 Ford Bronco, 2026 Ford Escape, 2025 Ford Escape, 2024 Ford Escape and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.