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Ford F-Series, Expedition: Trailer Brakes and Lights May Fail

NHTSA campaign 26V104000 · Reported 2026-02-20 · Ford Motor Company

high How serious is it? About this label

This is a serious problem while towing because you can lose trailer brakes and lights and crash risk goes up; the notice does not tell you to park the vehicle, so driving without a trailer is fine, but avoid towing until the update is done.

What's wrong, in plain English

These Ford and Lincoln trucks and SUVs have a built-in trailer brake controller. On the affected vehicles, that controller can stop communicating with the rest of the vehicle while you are towing. When that happens, the trailer's brake lights and turn signals can go dark, and the trailer's brakes may stop working. That makes the trailer harder to control and makes it harder for drivers behind you to see when you are braking or turning. A free software update fixes it.

What you should do

1. Check your VIN at nhtsa.gov/recalls to confirm your vehicle is covered.
2. Accept the over-the-air software update, or contact your dealer or Ford customer service at 1-866-436-7332 (recall 26C10) to have it installed.
3. Get the update completed before your next tow — it is free.

Affected vehicles (26)

Show all 26 vehicles

Who to contact

Ford — official Ford recall lookup

Customer service: 1-866-436-7332

Lincoln — official Lincoln recall lookup

Customer service: 1-866-436-7332

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
Summary
Ford Motor Company (Ford) is recalling certain 2021-2026 F-150, 2022-2026 F-250 SD, F-350 SD, F-450 SD, F-550 SD, Maverick, 2024-2026 Ranger, 2023-2026 F-600 SD, 2022-2027 Lincoln Navigator, Expedition, and 2026 E-Transit vehicles. When towing a trailer, the integrated trailer module (ITRM) may lose communication with the vehicle, possibly causing a loss of brake and turn signal lights, or a loss of brake function. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, " Lamps, Reflective Devices, and Associated Equipment."
Safety risk
Trailer lights or brakes that do not function can reduce the driver’s ability to control the trailer and decrease the trailers visibility to other road users, increasing the risk of a crash.
Remedy
The integrated trailer module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed March 25, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26C10. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 17, 2026.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.