Ford F-150 Recall — Ford Motor Company (Ford) is recalling certain 2015-2017 F-1

At 55 mph on the interstate, the six-speed automatic in a 2016 Ford F-150 can shift itself into second gear without warning. The engine hits the rev limiter, the rear tires bark and try to lock, and the truck decelerates like a panic stop nobody asked for. Drivers behind you do not have time to react. Drivers next to you on a wet on-ramp now have a 5,000-pound problem.

Ford has filed NHTSA recall 26V237 covering 1,392,935 F-150 pickups built between March 12, 2014, and August 18, 2017. All carry the 6R80 six-speed automatic transmission. The defect lives inside the transmission itself, in the wiring connections that tell the powertrain control module what gear is actually selected. When those signals degrade, the PCM can default to commanding second gear at any vehicle speed.

The Issue

Inside the 6R80 transmission, the Transmission Range Sensor (TRS) reports the current gear position to the powertrain control module dozens of times per second. The signal travels through electrical contacts on the transmission lead frame, a printed circuit assembly bolted to the valve body and bathed in transmission fluid at temperatures that swing from cold-soaked subzero to 250-plus degrees under load.

Years of heat, vibration, and fluid contamination wear the lead-frame contacts. As the conductive surface degrades, the TRS signal becomes intermittent. The PCM, programmed to fail safe rather than guess, responds by commanding the transmission into second gear and locking it there until the signal recovers or the truck is restarted.

At low speeds the result is harmless. Above 35 mph it is not. NHTSA's investigation found that the maximum downshift between 35 and 64 mph can momentarily lock the rear wheels as the engine fights the gearing mismatch. More than 40 percent of the owner questionnaires reviewed by federal investigators reported at least one wheel-lockup event.

The remedy in the first phase is a powertrain control module software flash that changes how the PCM responds to a degraded TRS signal. Rather than commanding second gear, the updated software defaults to a safer fallback strategy. Trucks that already show diagnostic trouble codes from earlier signal loss are eligible for transmission lead-frame replacement under Ford's extended warranty program, also free.

Affected Models

Vehicle	Model Years	Transmission
Ford F-150	2015, 2016, 2017	6R80 six-speed automatic

Production dates run from March 12, 2014, through August 18, 2017, which captures the full 2015-2017 model years on the 13th-generation aluminum-body F-150 platform. The 10R80 ten-speed automatic that replaced the 6R80 for the 2018 model year is not part of the campaign. Neither is the manual or any earlier-generation F-150.

Chronology and Investigation

The campaign is the result of an NHTSA Office of Defects Investigation case that opened January 30, 2026. Federal investigators were sitting on more than 300 owner questionnaires alleging unintended downshifts, with a recurring theme of momentary rear-wheel lockup at highway speed. They asked Ford for the warranty and field-report data, then read the answers and elevated the case to a formal recall request.

Ford filed the recall April 14, 2026. By that point the company had logged 444 warranty claims, 121 field reports, and 105 customer service contacts traceable to the same TRS signal-loss mechanism. NHTSA's investigation file added 316 owner questionnaires, two injuries, and one accident.

The 6R80 has a long warranty-claim history on the F-150. Forum posts and independent transmission shops have been documenting lead-frame degradation on these trucks for years. What changed in 2026 was the federal data set finally crossing the threshold where NHTSA could connect the dots and force a response.

Reported Incidents

As of April 2, 2026, the case file shows:

• 444 warranty claims
• 121 field reports
• 105 customer service reports
• 316 Vehicle Owner Questionnaires
• 2 injuries
• 1 accident

Of the 316 federal questionnaires, more than 40 percent described at least one wheel-lockup event during the unintended downshift. NHTSA has not released the geographic distribution, but the failure mode is wear-driven rather than environmental, so high-mileage trucks anywhere in the country are candidates.

What Owners Should Do

Three dates matter. The VIN list went live on NHTSA.gov on April 15, 2026, so owners can confirm their truck is included before they call a dealer. Interim letters from Ford are scheduled to be mailed April 27, 2026. The final-remedy software update is anticipated for July 2026, with a second wave of letters telling owners to schedule the appointment.

The interim letter is not a fix. It is a safety notification. Owners are told the recall exists, told to watch for warning signs, and told to contact their dealer if symptoms appear before the software update is ready.

Owners who want to track their VIN status can call Ford customer service at 1-866-436-7332 and reference recall number 26S28. The software flash and any lead-frame replacement that follows are both free.

If your F-150 has already shown the symptoms below, do not wait for the letter. Call the dealer now and ask them to pull the transmission diagnostic codes. A truck that has already logged TRS-related fault codes may need the lead-frame replacement, which is more involved than the software flash and benefits from being scheduled early.

Symptoms to Watch For Before the Transmission Misbehaves

The TRS failure mode is not subtle once it crosses the threshold. Owners should pay attention to four signs:

A sudden hard downshift at cruising speed. If the truck drops into a lower gear without driver input, with the engine surging toward redline and the truck slowing on its own, the TRS is the prime suspect. A single event might be a fluke. A second event is the recall.

Wrench warning light or Service AdvanceTrac message. The PCM logs a fault when it loses TRS signal, even briefly. The wrench-shaped powertrain warning light or the AdvanceTrac stability-control message can flash on and then disappear. Do not dismiss the flash; the diagnostic code may still be stored.

Harsh or unpredictable shifting in normal driving. Shifts that used to be smooth start landing with a clunk. Upshifts hesitate. Downshifts arrive earlier or later than expected. The TRS is feeding intermittent data and the PCM is doing its best to compensate.

Transmission shifts to neutral on its own. A more advanced symptom of the same fault. The truck loses propulsion until the driver shifts manually or restarts the engine. This is a tow-it-to-the-dealer situation, not a drive-it-home situation.

If any of these signs are present, treat highway driving as the higher-risk scenario until the truck has been inspected. Avoid sustained cruising between 35 and 64 mph in heavy traffic where you cannot control your following distance.

How Long Will the Recall Repair Take?

The Phase 1 fix is a powertrain control module software flash. A trained Ford technician can complete the reflash in 30 to 45 minutes once the truck is on the diagnostic bench. No parts, no fluid changes, no internal transmission work. The dealer can schedule it as a same-day appointment in most cases.

Phase 2, the lead-frame replacement, is a different job. The transmission valve body has to come out to access the lead frame, which means dropping the pan and disconnecting the wiring harness. Plan on six to eight hours of labor and a day at the dealer, plus parts ordering time on top.

Parts availability is the practical bottleneck. Ford expects the final remedy software to be ready in July 2026, and lead-frame supply will likely lag the rollout. Trucks with the worst symptoms should be in the queue first; healthy trucks waiting on the precautionary software flash will probably wait until late summer or early fall.

Bottom Line

This is a wear-driven defect on a transmission that is now eight to eleven years old. The risk is real. A 5,000-pound truck losing rear-wheel traction at 55 mph in traffic is the kind of event that turns into a multi-vehicle crash before the driver knows what happened, and federal investigators have already documented two injuries from the same failure mode.

The risk is also manageable. The recall covers every affected truck. The software fix is free and quick. Owners who stay alert for the four warning signs above and get the truck to a dealer at the first sign of trouble are in good shape. Owners who ignore a flashing wrench light because the truck still drives normally are the ones the recall is trying to protect.

If you own one of these trucks, run the VIN at NHTSA.gov today. Watch for the interim letter at the end of April. Schedule the software flash the moment your dealer can get it on the calendar.

Find your Ford F-150 recall information: https://www.ford.com/support/recalls/

NHTSA recall 26V237 followed an Office of Defects Investigation case opened January 30, 2026, that reviewed 316 owner questionnaires alleging unintended downshifts and rear-wheel lockup events on 2015-2017 F-150s with the 6R80 six-speed automatic.

The 6R80 transmission lead frame has been a known wear point on F-150s for years; independent transmission shops and forum communities have documented the failure mode well before NHTSA's investigation crossed the threshold for a federal recall in 2026.