Ford Mustang Engine Wiring Recall, Were You Affected? — NHTSA Recall No. 26V547

If your Mustang has stalled, flashed a warning chime, or lost its headlights for no clear reason, you weren’t imagining it. Ford has recalled 148,663 Mustangs built between September 2022 and June 2026 over a wiring harness defect that can cut drive power or knock out key systems. Here’s what it means for you.

Ford Mustang Wiring Harness Recall — Key Facts

NHTSA Recall No.	26V547
Ford Recall No.	26C40
Vehicles Affected	148,663
Model Years	2024–2026 Ford Mustang
Production Window	Sept. 7, 2022 – June 9, 2026
Defect	Engine compartment wiring harness ground eyelet terminals may fatigue-fracture
Estimated Defect Rate	1% of affected vehicles
Safety Risk	Loss of drive power, headlamps, windshield washer function, A/C, or cooling fan
Federal Standards Violated	FMVSS 104 (windshield wiping/washing), FMVSS 108 (lamps)
Remedy	Free replacement of 4 ground terminals with redesigned “standoff eyelet pigtails”
Remedy Availability	Expected Q1 2027 (final letters by March 31, 2027)
Cost to Owner	None
Component Supplier	Versigent
Last Updated	September 3, 2026

Who Is Ford and Why Is This Happening to Mustang Owners?

Ford builds the current seventh-generation Mustang at its Flat Rock, Michigan plant, spanning EcoBoost four-cylinders through the V8 GT and Dark Horse. A supplier change starting with 2024-model production added heat-shrink material to the engine bay wiring harness. That material could work its way into the ground eyelet’s bolt clearance, bending the eyelet and shortening its lifespan under normal engine vibration.

What Happened With the Ford Mustang Wiring Harness Between 2022 and 2026?

On June 4, 2026, Ford’s Electrical Distribution System team saw two eyelets snap on a 2027 Mustang durability test vehicle, and the car lost drive power mid-test. Ford issued a stop-ship on 2026-model Mustangs that same day and opened a formal investigation five days later.

By August 4, 2026, Ford had counted eight warranty claims tied to the defect — half of them inside the first three months of ownership — and zero official complaints filed with NHTSA. Ford’s Field Review Committee approved the recall on August 18, and the company filed its formal safety recall report with regulators on August 25.

A fractured ground eyelet can cause a genuinely dangerous moment behind the wheel. Losing drive power on the highway is one risk. Losing your headlamps or windshield washers at night in the rain is another — that’s why regulators tie this recall to two separate federal lamp and visibility standards.

Is Your Mustang Part of This Recall?

Ford says the affected vehicles aren’t produced in strict VIN order, so a 2024 or 2025 build date alone doesn’t confirm you’re affected. Two ways settle it fast:

• Enter your VIN at NHTSA.gov’s recall lookup or Ford’s own recall site
• Call Ford customer service at 1-866-436-7332 and reference recall 26C40

Owners across every state are covered — this is a federal safety recall, not a state-by-state program, so it applies nationwide regardless of where you bought or registered the car.

If you’ve noticed a lit check engine light, a dash warning message, or an odd chime with no clear cause, that lines up with exactly what Ford says drivers may see before a full failure. Worth getting ahead of it rather than waiting for the fix letter.

What’s the Fix, and What If You’ve Already Been Affected?

There’s no claim form and no payout here — this is a safety recall, not a settlement. Ford covers the entire repair.

Dealers will replace all four engine compartment wiring harness ground terminals with a redesigned “stepped-neck” eyelet built to resist the exact bending stress that caused the failures. There’s no charge for the repair.

The catch is timing. Ford started mailing interim notices August 31, warning owners about the risk, but the actual replacement parts and second “come in now” letters aren’t expected until around March 2027. That’s a long gap for anyone whose Mustang could lose power without warning.

What Ford Mustang Owners Should Do Right Now

1. Check your VIN at NHTSA.gov or Ford’s recall site to confirm you’re in the 148,663 affected units
2. Watch for the interim notification letter Ford is mailing through early September 2026
3. If you notice a check engine light, dash warning, or unexplained chime, call a Ford or Lincoln service department now rather than waiting for the second letter
4. Save any repair invoices, warranty claims, or service records tied to power loss, lighting, or A/C issues
5. If your Mustang already stalled, lost lights, or lost A/C because of this defect, document the date, mileage, and circumstances in writing
6. Keep an eye on your mail for the remedy letter, expected by March 31, 2027

If your Mustang already experienced the defect and caused a near-miss, an accident, or repeated failed repairs, a product liability attorney can tell you whether you have grounds for a claim beyond the free recall fix — especially if Ford’s warranty repair history doesn’t fully resolve the problem.

Ford Mustang Wiring Recall — Frequently Asked Questions

Is this a class action lawsuit against Ford?

 No. As of this writing, no lawsuit or settlement exists tied to recall 26V547. This is a federal safety recall Ford filed voluntarily after its own testing found the defect.

How do I know if my specific Mustang is affected? 

Enter your VIN at NHTSA.gov’s recall search or Ford’s recall lookup tool. Ford says the affected units weren’t built in strict VIN order, so checking is the only reliable way to know.

What if I already paid to fix this problem myself? 

Ford’s recall notice references its general reimbursement plan on file with NHTSA. Contact Ford customer service at 1-866-436-7332 with your repair invoice to ask about reimbursement.

Do I have to wait until March 2027 to get my Mustang fixed? 

Ford’s remedy parts aren’t in full distribution yet, which is why final “come in now” letters are expected by March 31, 2027. If your car is already showing symptoms, call your dealer now rather than waiting.

Has anyone been hurt because of this defect?

 Ford’s recall filing states it isn’t aware of any accidents or injuries connected to this condition as of its August 2026 report, based on eight known warranty claims.

Could this turn into a class action or lawsuit later?

 It’s possible, but nothing has been filed as of this article’s last update. If that changes, this page will be updated with the specifics.

What’s actually causing the eyelets to fracture?

 Heat-shrink material used on the wiring harness could intrude into the ground eyelet’s bolt clearance area, causing the eyelet to bend and weaken under the vehicle’s normal engine vibration over time.

Which Mustang model years are covered? 

2024, 2025, and 2026 model year Mustangs built between September 7, 2022, and June 9, 2026. Not every vehicle built in that window has the defect — Ford estimates about 1% do.

Sources Used in This Ford Mustang Recall Article

• Ford Motor Company — Part 573 Safety Recall Report 26V547, filed Aug. 25, 2026: https://static.nhtsa.gov/odi/rcl/2026/RCLRPT-26V547-3184.pdf
• National Highway Traffic Safety Administration — Recall lookup, campaign 26V547: https://www.nhtsa.gov/recalls
• CBS News — “Ford recalls nearly 149,000 Mustang vehicles over ‘loss of drive power’ risk,” Sept. 2, 2026: https://www.cbsnews.com/news/ford-mustang-recall-power-loss-risk/

Researched and written by Israr Ahmad, legal content researcher and founder of AllAboutLawyer.com. All facts verified against Ford’s Part 573 Safety Recall Report filed with NHTSA on August 25, 2026. Last Updated: September 3, 2026.

This article is for informational purposes only and does not constitute legal advice. Laws vary by state and individual circumstances differ. For advice about your specific situation, consult a qualified attorney.