Recalled master cylinder brake booster was repaired at the dealership under the recall approx 4 or 5 years ago. The same issue has began again. Out of nowhere while braking, the pedal will become soft and press to the floor. During this time, the car will not slow down. This is resembling a defective part.
2012 Lincoln Mkx
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2012 Lincoln Mkx do not stand out strongly from the model-year median of 75.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mkx years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
61 reports with mileage · 23 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
84 reportsThe camera change from vertical to horizontal, the camera shutdown while in motion.
The contact owns a 2012 Lincoln MKX. The contact stated that the back over prevention camera was reversed. The contact stated that the image was upside down and the camera was flickering. There were no warning lights illuminated. The contact stated that the failure persisted. The contact believed that the failure was weather-rel…
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The contact owns a 2012 Lincoln MKX. The contact stated that the back over prevention camera was reversed. The contact stated that the image was upside down and the camera was flickering. There were no warning lights illuminated. The contact stated that the failure persisted. The contact believed that the failure was weather-related. The contact called an unknown local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 185,000.
Backup camera faulty won’t connect just black screen
brake booster
What system Failed: Hydraulic Control Unit within the braking system. Brake Pedal and Master cylinder in good working order. Safety Concern: Vehicle failed to stop. Peddle completely to the floor. Accident avoided. Problem Reproduced or confirmed by Service Center: Yes, at a cost of $1,699.00 Inspected: Yes. Vehicle has …
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What system Failed: Hydraulic Control Unit within the braking system. Brake Pedal and Master cylinder in good working order. Safety Concern: Vehicle failed to stop. Peddle completely to the floor. Accident avoided. Problem Reproduced or confirmed by Service Center: Yes, at a cost of $1,699.00 Inspected: Yes. Vehicle has low miles. Odometer: 114,591 Warnings: No lights or warnings, attempted to stop and brake pedal to the floor. Stopped driving until repairs made. Unsafe! Vehicle failed to stop in normal traffic without warning, speed was approximately 45 mph. Personal Information: Site stated do not list personal information. Therefore, repair invoice available upon request. No upload given at this time.
DRIVER SIDE FRONT DOOR SENSOR SAYS CAR DOOR IS OPEN EVEN WHEN DOOR IS FIRMLY SHUT. CAUSES DOORS NOT TO LOCK, INTERIOR AND PUDDLE LIGHTS REMAIN ON, DRAINS BATTERY, DOORS WON'T LOCK EVEN WITH CAR IN MOTION. Severe Rust problems under carriage Air Bag light remains on
Entering I-294 express ramp, vehicle was not accelerating beyond 40mph. then as I entered highway it shut down completely. I coasted to the right shoulder. The dash displayed a "low oil pressure" alert. So I did not attempt to restart the car. When I had it towed home, I checked the oil level and it was full. Nothing like this h…
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Entering I-294 express ramp, vehicle was not accelerating beyond 40mph. then as I entered highway it shut down completely. I coasted to the right shoulder. The dash displayed a "low oil pressure" alert. So I did not attempt to restart the car. When I had it towed home, I checked the oil level and it was full. Nothing like this happened before. The vehicle is almost 12 years old with 167,000 miles. Had this happened in traffic on the expy, I could have been creamed by other cars or a truck. I am going to the dealer today to investigate but this seems like an anomaly where the engine shuts down because the computer thinks there is a catastrophic failure that is not really happening.
I am having issues with my touch screen. My screen will go black every other week, for about a day and the the SNYC will update. This time, it’s been over a week, and the screen is still black. I have tried changing fuses to no avail. Also, the rear camera does not work. Along with the blind spot warning or the rear cross traffi…
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I am having issues with my touch screen. My screen will go black every other week, for about a day and the the SNYC will update. This time, it’s been over a week, and the screen is still black. I have tried changing fuses to no avail. Also, the rear camera does not work. Along with the blind spot warning or the rear cross traffic warning. How should I proceed? I believe it may be a faulty chip in the computer board.
While leaving out my driveway my brakes went straight to the floor before stopping. After I put the car in park and put my foot on the break again it was hard to push the brake pedal. I also hear air coming from the break pedal area. I had no warning and still do not have any warnings. I’ve noticed after reading a lot of reviews…
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While leaving out my driveway my brakes went straight to the floor before stopping. After I put the car in park and put my foot on the break again it was hard to push the brake pedal. I also hear air coming from the break pedal area. I had no warning and still do not have any warnings. I’ve noticed after reading a lot of reviews this seem to be a common problem and it’s not safe. Mileage 104,000
Official recalls
114V393000 · Power Train:axle Assembly:axle Shaft
Jul 2, 2014
Ford Motor Company (Ford) is recalling certain model year 2012-2014 Ford Edge and Lincoln MKX vehicles manufactured September 2, 2010, to November 30, 2013; 2013-2014 Ford Taurus and Lincoln MKS vehicles manufactured August 25, 2011, to November 30, 2013; and 2013-2014 Ford Flex and Lincoln MKT vehicles manufactured September 12, 2011, to November 30, 2013. In the affected vehicles, the halfshaft retention circlip may not have been properly installed, and as a result, the halfshaft may move outward and disengage from the linkshaft while driving and without prior warning.
Consequence & remedy
Consequence: If the halfshaft and linkshaft become disengaged while driving, power will no longer be transmitted to the wheels, increasing the risk of a vehicle crash. Additionally, if the parking brake is not applied before exiting the vehicle, the vehicle may roll away despite the transmission being placed in 'Park', increasing the risk of injury to exiting occupants and bystanders.
Remedy: Ford will notify owners, and dealers will inspect the vehicles to make sure that the halfshaft is properly retained. If it is not, dealers will replace the linkshaft and also replace the halfshaft if it shows evidence of spline damage, free of charge. The recall began on August 4, 2014. Owners may contact Ford customer service at 1-800-392-3673. Ford's number for this recall is 14S10.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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