2016 Ford Flex Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2016 Ford Flex, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Driver assistance3630.5%
- Electrical2319.5%
- Suspension108.5%
- Body & structure97.6%
- Engine97.6%
- Steering86.8%
- Powertrain (other)86.8%
- Seat belts32.5%
- Fuel system32.5%
- Interior & seats32.5%
- Visibility21.7%
- Brakes21.7%
- Tires & wheels10.8%
- Other / unspecified10.8%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact received notifications of NHTSA Campaign Numbers: 25V695000 (Back Over Prevention) and 25V829000 (Structure); however, parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while in reverse(R), the rearview camera displayed a blank or distorted image. The contact made several attempts to notify the dealer but was unsuccessful. The vehicle was not repaired. The failure mileage was unknown.
The contact owns a 2016 Ford Flex. The contact received notification of NHTSA Campaign Number: 25V695000 (Back Over Prevention); however, the part to perform the recall repair was not yet available. The contact stated that while in Reverse (R), the rearview camera displayed an inverted image. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The failure mileage was approximately 80,000.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
Radio making crackling noises, screen goes blank, cannot control a/c from touch screen and causes the a/c not to work on front vents. Vehicle inside died while the engine was still running in traffic and was unable to start/stop vehicle from running, a/c ran hot then vehicle stop running.
Rear camera has been bad for six months - hazard to drive. Camera not available, is the prompt that comes up. My brother in law took his 2015 Ford F350 in for inspection and his camera was replace this was months ago.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact received notice of an unknown recall associated with the right rear toe link, that was previously repaired. The contact stated that while his wife was driving at approximately 5 MPH, she observed a loud snapping noise emanating from the rear of the vehicle. The contact stated that as his wife attempted to steer the vehicle into the drive way the vehicle the vehicle began steering to the right. The vehicle was towed to a dealer where it has yet to be diagnosed as of yet. The manufacturer was notified of the failure. The failure mileage was approximately 115,000.
See attached document for complaint.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact received notifications of NHTSA Campaign Numbers: 25V695000 (Back Over Prevention) and 25V829000 (Structure); however, parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while in reverse(R), the rearview camera displayed a blank or distorted image. The contact made several attempts to notify the dealer but was unsuccessful. The vehicle was not repaired. The failure mileage was unknown.
The contact owns a 2016 Ford Flex. The contact received notification of NHTSA Campaign Numbers: 25V695000 (Back Over Prevention) and 25V829000 (Structure); however, parts for the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while in reverse, the back over prevention camera failed to display an image of the rear of the vehicle. A black screen was displayed on the screen while in reverse. The dealer was contacted and confirmed that the parts were not yet available. The contact paid out of pocket for the dealer to replace the camera. The manufacturer was not made aware of the failure. The approximate failure mileage was 68,000.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
The car is experiencing turbo failure that lines up with the recall for the same model vehicle produced within the same 2016-2017 date. But for some reason this vin isnt included in the recall
I am getting a "Transmission Not In Park" error that will also sometimes flash "Door Ajar" while driving. Door appears to be closed - not sure if it's latched, transmission is obviously NOT in park because the car is moving. I'm concerned that this shouldn't be driven and is a safety issue.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
As I was driving turning at a light to go right all of a sudden my steering wheel got super hard and It almost caused me to get into an accident. I didn't have the strength to grip the steering wheel. Shortly after the advanced traction control service light came on. Luckily there was an auto parts store near the incident. I stopped left my vehicle running and got it scanned. There was a code that came up U0420-81 it was odd because my wheels where straight but the steering wheel was completely off. Then I turned my car off waiting at least 5 minutes. The traction control light came off and the steering wheel was normal. But as I went to back up and turn the steering wheel it did the same thing it got really stiff and I couldn't go anywhere. Then right away a steering assist fault message came on the dash. So just for safety reasons I left the vehicle there to come back later when I had help to tow it. 3 hours later we started the vehicle and nothing happened the steering was fine on the drive home no lights, no stiffness of the steering, no message displayed. Not sure what happened or why it did that all of a sudden when I was driving it. I've had this vehicle for 5 years and it has never done this to me especially while driving. I'm lucky I didn't hit the other vehicle while turning.
The contact owns a 2016 Ford Flex. The contact stated while driving at an undisclosed speed, the vehicle experienced a loss of power steering assist. The stability control warning light was illuminated, and the "Steering Failure" message was displayed. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact related the failure to NHTSA Campaign Number: 15V340000 (Steering); however, the VIN was not included in the recall. The manufacturer was made aware of the failure and suggested that the contact file a complaint with the NHTSA Hotline. The failure mileage was approximately 84,000.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
There is far to much to list
The power transfer unit otherwise referred to as a transfer case exploded from the inside with under 50k miles on the Flex resulting in the transmission cracking and breaking as well. AAA inspected and replaced both transmission and transfer case. They say they see a lot of them for these models and is a common issue. We kept old transfer case as proof. Car is not used for towing as it has no hitch and as stated before had under 50000 miles when it destroyed itself with myself and kids in the car driving 45 mph.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact stated that the driver’s side seat belt unbuckled independently. There was no warning light illuminated. The local dealer was contacted; however, the vehicle was not diagnosed or repaired. The contact was informed that the VIN was not under recall. The manufacturer was notified of the failure. The approximate failure mileage was 61,400.
2nd row passenger side bucket seat seatbelt no longer latches. Car has less than 35,000 miles. Seat is no longer able to be occupied legally. My child in booster seat uses that seat belt and could have become unsecured while driving which would have put him at risk if there was an accident or would have had to brake quickly. Seatbelt has not been inspected by anyone at this time. No warning or symptoms of a problem. Problem started 4/10/2023.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
The car is experiencing turbo failure that lines up with the recall for the same model vehicle produced within the same 2016-2017 date. But for some reason this vin isnt included in the recall
ECOBOOST 3.5L VEHICLE EXPERIENCED TOTAL LOSS OF POWER AND WHITE SMOKE FROM TAILPIPES WHILE DRIVING 65MPH ON EXPRESSWAY BUT STILL RAN. DROVE STRAIGHT TO AN INDEPENDENT SERVICE CENTER WHERE THEY DIAGNOSED LOW BOOST PRESSURE DTC AND FAILURE OF BOTH TURBOCHARGERS. TOWED VEHICLE TO FORD SERVICE CENTER WHERE THEY DUG DEEPER AND ARE NOW TELLING ME THERE WAS A COOLANT SYSTEM LEAK WHICH WASHED OUT THE ENGINE OIL AND CAUSED THE ENGINE TO OVERHEAT AND THE TURBOS TO FAIL(LOCK UP). THERE HAVE BEEN NUMEROUS DOCUMENTED ISSUES WITH COOLANT SYSTEM LEAKS AND OIL SUPPLY TO TURBOS CAUSING FAILURES/FIRE/OVERHEATING IN ECOBOOST ENGINES... DEALER IS NOW TELLING ME THE ENTIRE ENGINE NEEDS TO BE REPLACED INCLUDING THE TURBOCHARGERS IN THE BALLPARK OF $13,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact stated that the front passenger’s side door latch had fractured. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed that the spring in the door fractured and damaged the striker within the door mechanism. The vehicle was not repaired. The manufacturer was informed of the failure and suggested that the vehicle be taken to the dealer for assistance. The approximate failure mileage was 133,000.
The contact owns a 2016 Ford Flex. The contact stated that the passenger’s side front and rear door latches malfunctioned making it difficult to securely close the doors. The cause of the failure was not determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The approximate failure mileage was 80,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
The failed/malfunctioning components involve the rear backup camera system and related electronic driver assistance/safety systems in this 2016 Ford Flex, including the blind spot warning system and parking collision warning features. The condition is intermittent but ongoing and the vehicle is available for inspection upon request. The backup camera intermittently goes blank, freezes, displays improperly, or becomes unavailable while the vehicle is in reverse. At times, the blind spot warning system and parking collision warning features also intermittently fail or become unavailable. These failures create a significant safety risk by impairing rear visibility and reducing driver awareness of nearby vehicles, objects, or pedestrians during backing and parking maneuvers. The problem has been occurring for more than one year. The issue has been reproduced and confirmed by the dealership, which has stated that the vehicle is subject to an open safety recall. However, the dealership reports that parts and/or the final repair remedy are still unavailable, and no repair has been completed despite repeated attempts to obtain recall service. The vehicle has been inspected by the dealership/manufacturer representative in connection with the recall condition. No police or insurance inspection was involved because no crash has yet occurred. Prior to and during the failures, warning messages and symptoms intermittently appear, including loss of the camera display and temporary unavailability of driver assistance features. The failures may occur without warning and have been recurring for over one year. The unresolved condition affects the safe operation, usability, and value of the vehicle. Backup cameras and related driver assistance systems are important federally regulated safety features, and the manufacturer has not remedied this safety recall within a reasonable period of time.
Similar to the issues per Ford Recall 25S72, the backup camera screen turns blue, then black with an indication, “Camera Unavailable.” This drastically increases the risk of accidents, particularly in crowded parking lots, driveways, or areas with pedestrians and children may be present. There have been numerous accounts of older Flex cameras failing in a similar manner.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
The contact owns a 2016 Ford Flex. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. No warning lights were illuminated. The contact stated that the failure had frightened him because a pedestrian was nearly struck by the vehicle. In addition, the contact stated that when the vehicle was started, the RPM was elevated and then lowered. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was 35,000.
The contact owns a 2016 Ford Flex. While the contact's husband was driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as needed. The contact stated that the vehicle independently accelerated instead of stopping. The vehicle was taken to the dealer; however, the cause of the failure was not yet determined. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact stated that the failure had occurred several times. The manufacturer was not made aware of the failure. The failure mileage was approximately 40,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
I am reporting repeated structural failures involving Cooper Zeon RS3‑G1 tires (size 255/45R20) installed on my 2016 Ford Flex AWD. These failures include steel belt exposure, rubber separation, and premature carcass breakdown, all occurring at under 30,000 km (~18,600 miles). This represents catastrophic structural failure well before even half of the expected service life for comparable performance all‑season tires. The failures occurred across two separate sets of RS3‑G1 tires under normal driving conditions. The tires were properly inflated, aligned, rotated, and used seasonally. This is not treadwear, misalignment, or maintenance‑related — it is structural degradation of the tire body. Structural separation with exposed belts presents a serious safety hazard, including the potential for sudden air loss or blowout at highway speeds. Risk is further elevated on AWD vehicles due to driveline sensitivity to uneven rolling diameters or abrupt tire failure. I contacted Cooper/Goodyear beginning 03 NOV 2025, providing detailed written documentation of the failures. The only responses received were generic treadwear/warranty templates that did not address the structural issues reported. I explicitly requested written‑only communication and provided a clear response window plus a 2‑week grace period. No substantive written response was ever provided. All defective tires remain mounted on wheels and stored indoors. I have a complete photographic evidence package and a preserved written correspondence record, available upon request.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2016 FORD FLEX. WHILE DRIVING APPROXIMATELY 60 MPH OVER A BUMP IN THE ROAD, A SQUEAKY NOISE WAS HEARD WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AIRPORT MARINA FORD (310-574-2641, LOCATED AT 6701 CENTER DR W, STE 925, LOS ANGELES, CA 90045) WHERE IT WAS DIAGNOSED THAT THE STRUT MOUNT FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE PART. ALSO, WHILE BACKING OUT OF A PARKING SPACE AND ATTEMPTING TO TURN THE STEERING WHEEL, IT WAS NOTICED THAT THE WHEEL WAS BENT. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS LATER TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 47,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .