Most common 2015 Ford Flex problems
Share of the 114 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Ford Flex complaints by model year
Best Flex years: 2017, 2012, 2016. Years to avoid: 2013, 2019, 2014, 2009. Compare all years →
2015 Ford Flex recalls (4)
Back over prevention › Sensing system › Camera
Ford Motor Company (Ford) is recalling certain 2015-2019 Flex, 2015 Explorer, Lincoln MKT, Lincoln MKZ, 2015-2016 C-Max, Escape, Taurus, 2016 Fusion, 2018-2019 Taurus, 2019 Lincoln MKT, Fiesta, and 2020 Mustang vehicles. The rearview camera may display a distorted, intermittent, or blank image when the vehicle is in reverse.
Remedy: Dealers will inspect and replace the rearview camera as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years.
Suspension › Rear
Ford Motor Company (Ford) is recalling certain 2013-2018 Lincoln MKT and Ford Flex and Taurus vehicles with the Police Interceptor or SHO Performance Pack. The rear suspension toe links may fracture due to stress on the rear suspension.
Remedy: Ford will notify owners, and dealers will replace the rear suspension toe links, free of charge. Remedy parts are not currently available. Owners were notified about the recall on March 3, 2020.
Fuel system, gasoline › Delivery › Fuel pump
Ford Motor Company (Ford) is recalling certain model year 2013-2015 Ford Taurus, Ford Flex, Lincoln MKS and Lincoln MKT vehicles equipped with 3.5L GTDI Ecoboost engines and 2013-2015 Ford Taurus Police Interceptor vehicles.
Remedy: Ford will notify owners, and dealers will inspect the fuel PEM part number and replace the fuel PEM, as necessary, free of charge. The recall began on December 1, 2016.
Parking brake
Ford Motor Company (Ford) is recalling certain model year 2015 Ford Taurus, Ford Flex, and Lincoln MKS vehicles manufactured May 4, 2015, to May 23, 2015, Lincoln MKT vehicles manufactured May 4, 2015, to May 21, 2015, and 2015-2016 Ford Explorer vehicles manufactured May 4, 2015, to May 23, 2015.
Remedy: Ford will notify owners, and dealers will test the operation of the parking brake system, and if necessary, replace the parking brake control assembly, free of charge. The recall began on September 4, 2015.
What 2015 Ford Flex owners say
Driver assistance all 33 →
The contact owns a 2015 Ford Flex. The contact stated while reversing, the back-over prevention camera displayed a black screen. The contact stated that the failure had occurred several times. The contact stated that occasionally the images were displayed upside down. In addition, the contact stated that occasionally the back over prevention camera failed to turn off. The vehicle was taken to the dealer where it was diagnosed with back over prevention camera failure. The contact was informed that the option was to recalibrate the software or replace the back over prevention camera. The vehicle was repaired. The contact stated that the recalibration was performed; however, the failure reoccurred. In addition, the contact stated the vehicle was previously taken to the dealer several times due to persistent failure. The manufacturer was made aware of the failure and a case was filed. …
The contact owns a 2015 Ford Flex. The contact received notification of NHTSA Campaign Number: 25V695000 (Back Over Prevention); however, the part for the repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the part to be available. While in reverse, the back over prevention camera displayed an inverted image. However, within the past 3 months, the camera failed to operate as needed and displayed the message, "Camera Unavailable". The dealer was contacted several times. The dealer informed the contact that parts would be available in April and then stated June. The dealer most recently informed the contact that only Mustangs were being repaired, and there was no ETA when parts would be available. The manufacturer was made aware of the issue. The failure mileage was approximately 98,000.
Steering
The contact owns a 2015 Ford Flex. The contact stated while driving 45 MPH, the message "Steering Assist Loss - Service Now" was displayed. The contact stated that the vehicle lost power steering functionality while driving 20 minutes later. The contact pulled over to the side of the road. The vehicle was towed to an independent mechanic, where it was diagnosed, but the cause of the failure could not be determined. The vehicle was not repaired. The dealer was not notified of the failure. The manufacturer was notified of the failure and referred the contact to the dealer for diagnosing testing. Additionally, the manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 183,000.
The contact owns a 2015 Ford Flex. The contact state that while driving on two occasions at undisclosed speeds, the vehicle lost power steering functionality and the steering wheel became very stiff. The "Power Steering Assist Fault" message was displayed. During the first failure, the contact pulled over to the side of the road and the vehicle was towed to a dealer; however, failure was no duplicated. The contact stated that during the second failure, the vehicle was taken to the residence. The manufacturer was notified of the failure. The failure mileage was approximately 130,000.
Fuel & propulsion system
Driving the vehicle on the highway and heard a clunk and felt a slight loss of power and control. Pulled over to check vehicle and noticed flames coming underneath the engine compartment. Car soon became engulfed and was a total loss. The origin and cause expert hired by our insurance company suspects an injector line came loose on the engine and sprayed fuel onto exhaust manifold.
Our 2015 Ford Flex recently died when we were driving in traffic, with no warning when we were driving with our 2 young children. The Ford Flex only has ~45K miles on it and has been serviced regularly. Turns out it is bad part (fuel pump electric module (pem)) that is recalled by Ford in the 2015 Flex. The recall was started in 2016 and our Flex died in 2018. I was told by the dealer and later by Ford service that our car is not covered because the VIN is not included in the recall. So while some 2015 Ford flexs' had this exact part covered under warranty ours was not. We had to have it towed into the dealer, san tan Ford in gilbert az, and then pay them about $400 for the repair. The dealer was great but it is not right Ford does not cover this part on our particular car since it is exactly the make, model, year and part that is covered under the warranty. …
2015 Ford Flex engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.5L 6-cyl | 6-speed automatic | FWD | 18 / 25 / 20 |
| 3.5L 6-cyl | 6-speed automatic | AWD | 17 / 23 / 19 |
| 3.5L 6-cyl turbo | 6-speed automatic | AWD | 16 / 22 / 18 |
EPA ratings. Class: SUV.
Frequently asked questions
Is the 2015 Ford Flex a good car?
Based on 114 owner complaints filed with NHTSA, the 2015 Flex rates average: 39% fewer complaints than a typical year of the Flex at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2015 Ford Flex?
The driver assistance — 33 complaints, 29% of all complaints for this model year, most often about sensing system › camera. Next are the steering (19) and fuel & propulsion system (18).
How many recalls does the 2015 Ford Flex have?
There are 4 recalls for the 2015 Ford Flex, the most recent from October 13, 2025 (camera). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Ford Flex?
The best years by complaints, compared at the same age, are 2017, 2012 and 2016. Years to avoid or approach with caution: 2013, 2019, 2014 and 2009. See the full Ford Flex years comparison.
At what mileage do 2015 Ford Flex problems happen?
The median mileage reported in complaints is about 57,000 miles; 44% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.