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Ford · Known Issues

2026 Ford F-150 Problems: 1 Known Issue

2026 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2026 Ford F-150 has 1 documented issue, with 1 rated critical. The most serious is Integrated Trailer Module Loses Communication — Loss of Trailer Brakes, Turn Signals, and Brake Lights While Towing (NHTSA 26V104) ($0-$0 repair). DIY maintenance guides at au7o.io.

In This Article

  • F-150 Brakes1
  • Recalls44
  • FAQ
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In This Article

  • Brakes1
  • Recalls44
  • FAQ

All 1 Known Issue

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On the 2021-2026 Ford F-150, a software fault in the Integrated Trailer Module (ITRM) can cause it to lose communication with the rest of the vehicle while a trailer is connected. This can result in loss of trailer brake and turn-signal lights, or complete loss of trailer brake function, dramatically increasing crash risk when hauling. Ford recalled over 4.3 million vehicles for this defect in early 2026, of which roughly 2.3 million are F-150s spanning 2021-2026. Ford reported it was aware of 407 incidents potentially related at the time of filing. Drivers typically see a 'Trailer Brake Module Fault' message, a rapidly flashing turn-signal indicator, and sometimes a 'Blind Spot Assist System fault' message.

Common Symptoms

  • 'Trailer Brake Module Fault' message on instrument cluster
  • Loss of trailer brakes while towing
  • Trailer turn signals and brake lights stop working
  • Turn-signal indicator flashes rapidly
  • 'Blind Spot Assist System fault' message

How to Fix

Ford's remedy is a free software update to correct the ITRM communication fault, delivered over-the-air (rollout began around May 2026) or at a dealer at no cost under NHTSA campaign 26V104. Until updated, drivers should treat any Trailer Brake Module Fault warning as a real loss of trailer braking, reduce speed, and avoid towing heavy loads. Verify eligibility by VIN at nhtsa.gov/recalls.

Typical repair cost:$0 - $0

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026
NHTSA Recalls44 recalls

ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

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."

Campaign #26V10400020/02/2026

STRUCTURE:BODY

Ford Motor Company (Ford) is recalling certain 2026 Maverick, F-150, and Bronco Sport vehicles. Certain vehicle joints may be improperly tightened. This can lead to detached parts, unsecured cargo, degraded crash protection, electrical system failure, or a loss of vehicle stability.

Campaign #26V55000025/08/2026

POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

Ford Motor Company (Ford) is recalling certain 2026 F-150 vehicles. Incorrect rear axle tail bearings may have been installed, which can result in rear wheel lock-up or driveshaft separation.

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Other Ford Models

Ford Explorer73Ford Escape48Ford Mustang46Ford Fiesta32Ford Bronco32Ford Ranger26

Frequently Asked Questions

What are the most common Ford F-150 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2026 Ford F-150 has 1 documented issue. The documented issue is: Integrated Trailer Module Loses Communication — Loss of Trailer Brakes, Turn Signals, and Brake Lights While Towing (NHTSA 26V104). Of these, 1 is rated critical and should be addressed promptly.

Is the Ford F-150 reliable?

The 2026 Ford F-150 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Integrated Trailer Module Loses Communication — Loss of Trailer Brakes, Turn Signals, and Brake Lights While Towing (NHTSA 26V104). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Ford F-150 problems?

Repair costs for known Ford F-150 issues range from $0 to $0, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Integrated Trailer Module Loses Communication — Loss of Trailer Brakes, Turn Signals, and Brake Lights While Towing (NHTSA 26V104), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2021-2026 Ford F-150 Integrated Trailer Module Loses Communication — Loss of Trailer Brakes, Turn Signals, and Brake Lights While Towing (NHTSA 26V104)?

A software fault in the Integrated Trailer Module (ITRM) can cause it to lose communication with the rest of the vehicle while a trailer is connected. This can result in loss of trailer brake and turn-signal lights, or complete loss of trailer brake function, dramatically increas… Repairs typically run $0-$0. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

Campaign #26V57600009/09/2026

SUSPENSION:REAR

Ford Motor Company (Ford) is recalling certain 2026 F-150 vehicles.The stabilizer rod fasteners may not have been tightened properly during manufacturing, which can allow the rod to shift out of position.

Campaign #26V57700009/09/2026

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING

Ford Motor Company (Ford) is recalling certain 2023-2027 F-150 vehicles. The fuel tank may be improperly secured and leak fuel, or detach from the vehicle while driving.

Campaign #26V57800009/09/2026

+ 39 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.