How to Fix Power Steering Assist Faults in Ford Fusion

The power steering system in a Ford Fusion is responsible for making steering effortless and smooth. However, if you encounter a power steering assist fault in your Ford Fusion, it can greatly affect your driving experience and safety. In this article, we will discuss common causes for power steering assist faults in Ford Fusion vehicles and provide step-by-step instructions on how to fix them.

Understanding Power Steering Assist Faults

Before delving into the troubleshooting and repair process, it is important to understand what a power steering assist fault is and how it affects your vehicle. A power steering assist fault occurs when there is a problem with the power steering system, resulting in a loss of power assistance while steering. This can make it difficult to turn the steering wheel, especially at low speeds or when parking.

Common Causes of Power Steering Assist Faults

Several factors can contribute to a power steering assist fault in a Ford Fusion. It is essential to identify the root cause before attempting any repairs. Here are some common causes of power steering assist faults:

  1. Low Power Steering Fluid: Insufficient power steering fluid can lead to a loss of hydraulic pressure, causing a power steering assist fault. Check the power steering fluid reservoir and top it up if necessary.
  2. Faulty Power Steering Pump: A malfunctioning power steering pump can result in inadequate fluid pressure, leading to a power steering assist fault. Inspect the power steering pump for any leaks or unusual noises.
  3. Worn Power Steering Belt: A worn or loose power steering belt can cause the power steering pump to function improperly, resulting in a power steering assist fault. Check the condition and tension of the belt and replace if necessary.
  4. Faulty Power Steering Control Module: The power steering control module is responsible for regulating the power steering system. If it malfunctions, it can trigger a power steering assist fault. Consult a professional mechanic to diagnose and replace the faulty module if required.

Step-by-Step Guide to Fix Power Steering Assist Faults

Now that we have identified the common causes of power steering assist faults, let’s proceed with the step-by-step process to fix them:

Materials Needed:

  • Power steering fluid
  • Power steering pump (if necessary)
  • Power steering belt (if necessary)
  • Power steering control module (if necessary)

Step 1: Check Power Steering Fluid Level

  1. Park your Ford Fusion on a level surface and turn off the engine.
  2. Locate the power steering fluid reservoir under the hood. Refer to the owner’s manual for its exact location.
  3. Remove the cap from the reservoir and inspect the fluid level. If it is low, add the recommended power steering fluid until it reaches the appropriate level. Be careful not to overfill.

Step 2: Inspect Power Steering Pump

  1. Start the engine and listen for any unusual noises coming from the power steering pump.
  2. Check for visible leaks or signs of damage on the power steering pump.
  3. If you notice any issues, it may be necessary to replace the power steering pump. Consult a professional mechanic for further assistance.

Step 3: Check Power Steering Belt

  1. Turn off the engine and locate the power steering belt.
  2. Inspect the belt for signs of wear, cracks, or looseness.
  3. If the belt is worn or loose, it needs to be replaced. Refer to the owner’s manual or consult a professional mechanic for guidance on replacing the power steering belt.

Step 4: Test Power Steering Control Module

  1. If the previous steps did not resolve the power steering assist fault, it is advisable to have the power steering control module tested by a professional mechanic.
  2. The mechanic will use specialized diagnostic tools to identify any issues with the control module.
  3. If the control module is found to be faulty, it will need to be replaced. Follow the recommendations of the mechanic.


Experiencing a power steering assist fault in your Ford Fusion can be frustrating, but with the right knowledge and steps, you can troubleshoot and fix the issue. Start by checking the power steering fluid level, inspecting the power steering pump and belt, and testing the power steering control module if necessary. If you are unsure or uncomfortable performing these steps yourself, it is always recommended to seek assistance from a professional mechanic. By following these guidelines, you can regain the smooth and effortless steering experience in your Ford Fusion.

Remember, regular maintenance and periodic checks of the power steering system can help prevent power steering assist faults in the future.


What is the power steering assist fault recall on Ford Fusion?
Ford Fusion Recall Power Steering

Ford will notify owners, and dealers will replace the steering gear motor bolts and apply a wax sealer. If any of the steering gear motor attachment bolts are broken or missing, a new steering gear will be installed in the vehicle. These repairs will be performed free of charge.
What causes power steering assist fault?
This warning indicates that there is a problem with the power steering system. It could be something as simple as low fluid levels or a more serious issue such as a power steering pump failure.
Can you still drive with power steering assist fault?
Vehicles that are designed with a power steering pump should only be used when the power steering is operational. When the power steering stops working, you should refrain from operating the vehicle until the pump is replaced.1