Ford's Electronic Power Assisted Steering (EPAS) System is a Hot Mess

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#steering #technology #lawsuit #recall

Hydraulic systems have a multi-decade track record of successful steering with relatively easy maintenance. So naturally, Ford banished it to the curb and replaced it with something much more complicated.

Be gone, hydraulics! Embrace your digital overlord – electronic power assisted steering (EPAS).

EPAS replaces a lot of the mechanical parts of previous steering assist systems (pumps, fluids, hosts, pulleys) and replaces them with tiny computers called ECUs and a whole bunch of code.

The Pros and Cons of EPAS

There are perfectly reasonable arguments for making the switch to electronically-controlled steering.

  1. They are lighter than hydraulic systems
  2. They have variable power assist, giving more help at lower speeds (when you need it most) but are used less at higher speeds
  3. Points 1 and 2 mean your engine can squeeze out a couple extra MPGs
  4. The systems can, in theory, compensate for things like when the car pulls to one side or drifts.

However, it’s not a perfect trade.

  1. EPAS is more complex. Ford’s system contains a Power Steering Control (PSC) Motor, Electronic Control Unit (ECU), and a Torque Sensor and Steering Wheel Position Sensor.
  2. They are difficult to diagnose. Was it a PSC failure or did the ECU send improper instructions? Perhaps one of the sensors is misreading the data it's supposed to be collecting.

Ford EPAS Failures

Ford's EPAS suffers from systemic defects that "render the system prone to sudden and premature failure during ordinary and foreseeable driving situations" and cause drivers of the cars to "experience significantly increased steering effort and, ultimately, loss of control."

There is a mechanical backup, so if the EPAS goes out you'll still be able to steer. It's just going to take a lot more effort.

Sudden Shutdown

One major concern about Ford's EPAS is that sometimes when it goes out, it does so without any warning. No dash lights, no chimes, just a sudden loss of steering assist.

Driving a car without power steering is totally possible, I'm sure your grandfather would tell you he did it for years. But if it's there and then suddenly POOF not there, well that quick and unexpected change is very dangerous:

"I was driving my 2008 Ford Escape when I made a left turn and my steering wheel froze. It took all my strength to try to turn the wheel to try to get out of the turn and into on coming traffic. I pulled over to closest parking spot, shut the car off and called my husband."
Lucy G, 2008 Ford Escape Owner from Elgin, IL

What's the first question a customer service representative asks you when you call with a tech problem --- have you tried unplugging it and plugging it back in? The crazy thing is, that sometimes actually works. Some Ford owners have said that shutting the car off and turning it back on sometimes fixes the issue, although it's only temporary:

"As with numerous others here, steering froze without warning when driving. Shutting off and re-starting the car seems to HAVE TEMPORARILY solved the problem."
klarry, 2008 Ford Escape Owner from Ashby, MA

Power Steering with Pull Drift

The 2008 Escape (and it's sibling Mariner) were some of the first vehicles to feature Ford's pull-drift steering compensation; a part of an all-new EPAS system. Ford describes EPAS with pull-drift as a "sophisticated sensor system that constantly measures the driver's steering torque, adapts to changing road conditions and helps compensate for slight steering changes." But what happens when the system stops measuring? Bad things, that's what.

Defective Torque Sensor

When you turn the wheel in your Ford, the torque sensor monitors which way you've turned and how far. That information is sent to the ECU, but what happens when the information never gets sent? One widely accepted theory is that a defective torque sensor isn't giving the ECU the information it needs, and the power steering as a result gets disabled.

So the simplest solution is to just replace the torque sensor, right? Well, unfortunately the torque sensor is part of the steering column assembly and is not serviceable separately. In other words, once that sensor goes the entire steering column needs to be replaced. And that's expensive with the average repair cost around $1,500.

Ford and Mercury Vehicles Most Likely to Lose Power Steering

Focus Electric2012-2014
Fusion Hybrid2010-2014
Fusion Energi2013-2014

EPAS Lawsuits

Consumers slapped Ford with a class-action lawsuit in a California district court, claiming Ford equipped the Focus and Fusion models with a defective power steering system that is prone to sudden failure.

The official complaint says Ford "failed and continues to fail to disclose to consumers that the defective steering system exposes occupants of the defective cars, occupants of the surrounding vehicles, and pedestrians to the "risk of collisions and grave bodily harm."

The complaint also says "Ford has ignored, concealed and failed to adequately address the numerous complaints it has received about defective vehicles' steering failures" and that "Ford’s knowledge of problems with the EPAS system in the defective vehicles was revealed during the course of a NHTSA investigation into steering failures experienced by the Ford Explorer, which suffers from a similarly defective EPAS system.”

The plaintiffs accuse Ford of falsely touting the safety and reliability of the defective autos at the same time the company promoted the vehicles as safe and by lauding the Electronic Power Assisted Steering (EPAS) specifically, states the complaint filed June 27 in the U.S. District Court for the Northern District of California in San Jose.

Plaintiffs William Phillips and four other individuals from various states and North Carolina-based Performance Fire Protection LLC claim Ford made misleading and reckless public statements about the general safety ratings for defective cars, the suit claims.

Survival! Followed by Fizzle and a Fade

The lawsuit was almost dropped when the judge called it "unwieldy in scope and unduly burdensome." Luckily, the plaintiffs were given a chance to amend their complaints.

In March 2016, the same judge denied Ford's motion to dismiss the case.

But by January 2017, the lawsuit was denied class-action certification because the judge ruled the plaintiffs couldn't prove "all owners experienced harm from the alleged defect."

The plaintiffs were given a chance to amend their complaint, but they didn't the judge dismissed the case in February 2017.

EPAS Recalls

May 2014: Over 900,000 2008-2011 Ford Escape and Mercury Mariner SUVs were recalled because of failures with the torque sensor inside the EPAS. Additionally, the 2011-2013 Explorer was recalled because EPAS electrical connection failures. Roughly a year later the National Highway Traffic Safety Administration (NHTSA) was petitioned to see if that recall really did any good.

April 2015: 520,000 model year 2013-2015 Ford Fusion and Lincoln MKZ, plus 2015 Ford Edge CUVs were recalled because their steering gear bolts can corrode and break, causing an immediate loss of power steering.

May 2015: Almost 423,000 cars can experience an electrical connection failure in their power steering systems. This includes the 2011-2013 Ford Taurus and Flex, 2011-2012 Ford Fusion, 2011-2013 Lincoln MKS and MKT, 2011-2012 Lincoln MKZ, and the 2011 Mercury Milan.

Lawsuits Regarding This Problem

Lawsuits about this problem have already been filed in court. Many times these are class-action suits that look to cover a group of owners in a particular area. Click on the lawsuit for more information and to see if you're eligible to receive any potential settlements.

  • Dismissed

    William Philips et al v. Ford Motor Company./A

    1. Dismissed

      A Ford power steering lawsuit is over after a federal judge ruled in favor of Ford and said the plaintiffs didn't have a case.

    2. Denied

      A Ford Focus and Fusion electronic power assisted steering (EPAS) lawsuit won't be certified as a class-action after a judge ruled the plaintiffs can't prove all owners experienced harm from the alleged defect.

    3. Partially dismissed

      Ford filed a motion to dismiss the lawsuit and U.S. District Judge Lucy H. Koh agreed to do just that. Ruling the power steering lawsuit is unwieldy in scope and unduly burdensome, Koh gave the plaintiffs a 30-day deadline to amend the complaint or face dismissal with prejudice of Plaintiffs’ claims.

    4. Case Filed

      The plaintiffs claim the power steering system is advertised with a feature that helps drivers with pulling and drifting based on road conditions. The system is supposed to work automatically, but the lawsuit alleges the system fails on the road, causing a problem with turning the wheel.

    Class Vehicles
    • 2010-2014 Fusion
    • 2012-2014 Focus

Generations Where This Problem Has Been Reported

This problem has popped up in the following Ford generations.

Most years within a generation share the same parts and manufacturing process. You can also expect them to share the same problems. So while it may not be a problem in every year yet, it's worth looking out for.

Further Reading

A timeline of stories related to this problem. We try to boil these stories down to the most important bits so you can quickly see where things stand. Interested in getting these stories in an email? Signup for free email alerts for your vehicle over at

  1. Power steering is one of those things you don't think about until it's gone.

    And owners of Ford cars with electronic power assisted steering (EPAS) are thinking about it all the damn time, if you catch my drift. But it's been a tough year for an EPAS lawsuit that claimed the system is defective. After a promising start, it was denied class-action certification and then dismissed by a judge entirely. Womp, womp.

    The lawsuit didn't even cover all the models or years affected by this problem. And now that it's going away, the complaints seem to be picking up as more cars exit their warranty period (because life is fun like that).

    And oh, by the way, an out-of-warranty repair costs about $2,000.

    keep reading article "EPAS Lawsuit Shot Down"
  2. Ford is doing its best to steer clear of an EPAS lawsuit

    , saying the plaintiff's claims don't merit class-action certification because the steering problems are too widespread to prove any "common defect." Nothing says confidence in your product like saying there's too many defects to prove one, singular defect.

    "In addition to denying the electromechanical relays are defective, Ford says the claims should be dismissed because the alleged defects, if they exist, occurred during manufacturing at different times and with different models. Due to this, the plaintiffs cannot claim a "common defect" is associated with the Focus and Fusion cars."…

    keep reading article "Ford Tries to Steer Around EPAS Lawsuit"

OK, Now What?

Maybe you've experienced this problem. Maybe you're concerned you will soon. Whatever the reason, here's a handful of things you can do to make sure it gets the attention it deserves.

  1. File Your Complaint is a free site dedicated to uncovering problem trends and informing owners about potential issues with their cars. Major class action law firms use this data when researching cases.

    Add a Complaint
  2. Notify CAS

    The Center for Auto Safety (CAS) is a pro-consumer organization that researches auto safety issues & often compels the US government to do the right thing through lobbying & lawsuits.

    Notify The CAS
  3. Report a Safety Concern

    The National Highway Traffic Safety Administration (NHTSA) is the US agency with the authority to conduct vehicle defect investigations & force recalls. Their focus is on safety-related issues.

    Report to NHTSA