The 2015 Ford F-150 arrived as one of the most ambitious redesigns in pickup truck history. Ford went all-in on a high-strength aluminum body for the 13th generation, shedding hundreds of pounds and raising the bar for fuel efficiency and capability. Paired with the brand-new 2.7L EcoBoost V6, the 3.5L EcoBoost, and the proven 5.0L V8, the 2015 F-150 quickly became the best-selling truck in America — and held onto that crown with ease.
But owning one in 2025 and beyond comes with some serious homework. A landmark 2026 safety recall — covering nearly 1.4 million trucks from model years 2015, 2016, and 2017 — has flagged a transmission defect that can trigger a violent, unintended downshift from 6th gear to 2nd gear at highway speed. If you drive a 2015 F-150, this is not a "schedule it when you get around to it" situation. It is a drop-everything-and-check-your-VIN situation.
At expediaparts.com, we want to get you back on the road — safely and affordably. Whether your F-150 is already showing symptoms or you just want to stay ahead of the next problem, this guide walks through every major known failure, what it costs to fix, and how to choose the right replacement parts when the time comes.
What the Research Shows
The 2015 F-150's first year on an aluminum body meant Ford was breaking new ground — and with that came a handful of first-year growing pains. Consumer Reports and MotorTrend have both covered the transmission recall extensively, and NHTSA data confirms the scope: this is one of the largest Ford recalls in recent history.
According to Consumer Reports, the 6R80 six-speed automatic transmission used in the 2015–2017 F-150 can experience lead frame and Transmission Range Sensor (TRS) failure that results in an abrupt, uncontrolled downshift — dropping from 6th gear to 2nd gear without warning while traveling at highway speed. MotorTrend has also covered the recall, noting the rear tire lockup risk and bucking behavior drivers have reported during TRS failure events.
The YouTube channel The Car Guy Online broke down the full scope of Ford's biggest transmission recall yet — 1,392,935 trucks — and explains why this failure is so dangerous at speed. A second detailed breakdown from Me And Car Keys covers what the 2015–2017 F-150 recall means for owners and what to expect from Ford's fix.
Check your VIN immediately at NHTSA.gov using NHTSA campaign number 26V237000 (Ford recall 26S28). Do not wait for a mailed notice.
Common Transmission Problems
6R80 Lead Frame / Transmission Range Sensor (TRS) Failure
This is the big one. The 6R80 six-speed automatic used across the 2015–2017 F-150 lineup is prone to wear in the lead frame and TRS. When this sensor degrades, it can send incorrect gear-position data to the powertrain control module — causing an unintended, instantaneous downshift from 6th gear to 2nd gear while driving at highway speed.
The symptoms are hard to miss:
• A sudden, violent lurch or bucking sensation at highway speed
• Back-and-forth gear hunting (the transmission cannot decide which gear to hold)
• Rear tire lockup from the abrupt torque spike
• Transmission warning lights or diagnostic codes related to range sensor faults
The official fix is a PCM (Powertrain Control Module) reprogram in many cases. If transmission fault codes have already been set, Ford may need to replace the lead frame assembly entirely. If your truck is within the recall scope, bring it to a Ford dealer — this should be covered at no cost to you.
If your 6R80 is beyond warranty or showing broader failure signs, a used unit runs $900–$1,800 and a remanufactured 6R80 runs $2,000–$3,500. Browse 6R80 transmissions at expediaparts.com to find the right fit for your build.
Common Engine Problems
3.5L EcoBoost — Timing Chain Cold-Start Rattle
The 3.5L EcoBoost twin-turbo V6 is a powerhouse, but owners at higher mileage have reported a cold-start rattle caused by timing chain tensioner wear. This rattle typically appears on first start in cold weather and fades as oil pressure builds. Left unaddressed, tensioner failure can lead to timing chain slack, jumped timing, and catastrophic engine damage.
2.7L EcoBoost — Intercooler Condensation
The 2.7L EcoBoost was brand new for 2015 and has proven to be genuinely reliable overall. The most commonly documented issue is intercooler condensation — moisture buildup in the intercooler that can cause a brief misfire or rough idle on cold starts. Ford issued TSBs addressing this on early 2.7L units, and the problem is generally manageable.
5.0L V8 — Oil Leaks at Higher Mileage
The 5.0L Coyote V8 remains one of the most durable naturally-aspirated truck engines on the market. At higher mileage (typically 150,000+ miles), oil leaks from valve cover gaskets and the rear main seal become more common. These are standard wear items, not design defects, and are straightforward to address with routine maintenance.
Recall Note
NHTSA Campaign: 26V237000 | Ford Recall: 26S28
Vehicles Affected: 2015, 2016, and 2017 Ford F-150 (1,392,935 trucks)
Defect: 6R80 lead frame and Transmission Range Sensor failure causing unintended downshift from 6th to 2nd gear at highway speed
Risk: Sudden deceleration, rear tire lockup, loss of vehicle control
Fix: PCM reprogram or lead frame replacement (dealer-performed, no cost to owner if within recall scope)
Action required: Verify your VIN at NHTSA.gov before driving at highway speeds. This is a safety-critical recall, not a routine service bulletin.
Other Common Failures
Transfer Case Issues (4WD Models)
Four-wheel-drive F-150s from 2015 have shown wear in the transfer case — particularly in units that see frequent off-road use or towing. Symptoms include grinding, difficulty engaging 4WD, or a transfer case that pops out of 4-High under load.
Transmission Range Sensor Wear
Even outside the recall, the TRS is a known wear item on the 6R80. Standalone TRS replacement is a relatively affordable repair compared to a full transmission rebuild, and replacing it proactively at high mileage can prevent the more severe lead frame failures that triggered the recall.
Aluminum Body — First-Year Fitment and Corrosion
The 2015 F-150 was the first aluminum-body F-150, and some early production units showed minor panel fitment inconsistencies and early corrosion at dissimilar-metal contact points (where aluminum body panels meet steel structural components). Ford addressed many of these through TSBs and updated production processes in subsequent model years.
Used vs. Remanufactured
When your 6R80 or EcoBoost engine reaches end-of-life, you have two main replacement paths:
Used (Pull): A used unit pulled from a low-mileage donor vehicle is the most affordable option. The tradeoff is unknown history — you get what that truck went through before it was parted out. Best for budget-conscious owners with a trusted mechanic who can inspect the unit before install.
Remanufactured: A remanufactured unit is disassembled, inspected, and rebuilt to OEM specifications with new wear components — seals, clutches, solenoids, bearings — then tested before shipping. For the 6R80 in particular, given the documented TRS and lead frame issues, a remanufactured transmission that addresses these failure points is often the smarter long-term investment.
At expediaparts.com, we stock both options. Search for your 2015 F-150 transmission or engine by year, make, and model to see what's available.
Price Range
Here's what to expect for the part itself on a 2015
Ford F-150 (price varies with mileage, condition, core charge, and shipping):
- Used transmission: $900–$1,800
- Remanufactured transmission: $2,000–$3,500
- Used engine: $900–$2,000
- Remanufactured engine: $2,500–$4,500
Prices reflect current market rates and do not include labor or installation. Installation cost varies by shop and region.
Our Warranty
Every transmission and engine sold through expediaparts.com comes with a warranty for your peace of mind. Warranty terms vary by unit type — used and remanufactured units carry different coverage — so check the specific listing for full details. We stand behind what we sell because we want to get you back on the road and keep you there.
Is Replacement the Right Move?
If your 2015 F-150 is throwing transmission codes and the recall fix has already been applied (or doesn't apply to your VIN), a full 6R80 replacement may make more sense than an in-vehicle rebuild — especially at higher mileage where other internal components are also worn.
For engines, replacement becomes the right call when repair estimates exceed the value of the repair itself. A timing chain job on a 3.5L EcoBoost at a dealership can run $2,000–$3,500 in labor alone. If the engine also has high miles and oil consumption issues, a replacement engine — used or remanufactured — often pencils out better over the long haul.
The 2015 F-150 is a capable, long-lived truck. A well-maintained example with a solid drivetrain can go 250,000 miles. The key is addressing problems before they cascade — and that starts with the recall check.
Ready to Get Back on the Road?
If your 2015 Ford F-150 needs a transmission or engine replacement, expediaparts.com has you covered. We carry used and remanufactured 6R80 transmissions, EcoBoost engines, and 5.0L V8 engines with warranty protection and fast shipping.
Shop 2015 Ford F-150 parts at expediaparts.com — and check your VIN at NHTSA.gov today if you haven't already.
Frequently Asked Questions
How much does it cost to replace the 2015 Ford F-150 engine or transmission?
At expediaparts.com, used transmissions typically run $900–$1,800, remanufactured transmissions $2,000–$3,500, used engines $900–$2,000, remanufactured engines $2,500–$4,500 for the 2015 Ford F-150. Final pricing depends on mileage, core charge, and shipping.
Should I buy a used or remanufactured engine or transmission for my 2015 Ford F-150?
A used unit is the lower-cost option and makes sense when the rest of your Ford F-150 is in good shape. A remanufactured unit is rebuilt to spec with stronger warranty coverage and is the smarter long-term choice if you plan to keep the vehicle for years. Both are available at expediaparts.com.
Does expediaparts.com warranty Ford F-150 engines and transmissions?
Yes. We back both used and remanufactured engines and transmissions with warranty coverage, and our drivetrain specialists confirm VIN fitment before you buy. We want to get you back on the road.
Related on Expedia Parts
- Warranty policy and Expedia Protection: /warranty
- When your transmission needs a reflash: /blog/when-transmission-needs-reflash
- Check engine light after engine swap: /blog/check-engine-light-after-engine-swap
- Engine misfire after replacement: /blog/engine-misfire-after-replacement
- Used and reman engines: /used-engines
- Used and reman transmissions: /used-transmissions
