Symptoms of a Bad or Failing Power Steering Control Unit

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The power steering control unit uses electric power assisted steering to support you in driving the vehicle. Power steering control units are found on electronically controlled power steering systems as opposed to the older hydraulically controlled systems. The control unit applies torque through the motor, which connects to the steering column or the steering gear. This allows assistance to be applied to the vehicle, depending on certain driving conditions and demand. There are a few symptoms to watch out for when your power steering control unit starts to go bad or is failing:

Warning light comes on

As soon as your power steering control unit starts to fail, a warning light will illuminate on the dashboard. This may be a Power Steering Light, or a Check Engine Light. This is a sign you should contact a professional mechanic as soon as possible to have your power steering control unit looked at and replaced if need be. They will be able to diagnose the problem correctly and have you safely back on the road.

Lose all power steering

Since the power steering control unit uses an electric power assist, you will still be able to steer your vehicle but it will be very difficult. It is best to pull over to the side of the road and evaluate the problem. From there, call for assistance. Do not drive the vehicle if it does not have any steering, or if the power steering is completely out.

Preventing problems

There are a few things you can do as a driver to prevent the power steering control unit from going bad. Do not crank the wheel, or hold the steering for a long period of time while you are driving or while at a stop. This will cause the power steering control unit to go into reduced steering assist to prevent damage to the steering components. If this happens, it may be difficult to steer. A mechanic can read the codes on the computer to see if there is a problem, or if there is an error with the computer.

YourMechanic makes getting repairs to your power steering control unit easy by coming to your home or office to diagnose or fix issues. You can book a service online 24/7. YourMechanic’s qualified technicians are also available for any questions that may arise.


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Rigoberto

9 years of experience
706 reviews
Rigoberto
9 years of experience
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Rigo was great! He got there early, finished the job early, left everything clean. He changed my rear pads and rotors. The original quoted time was 90 minutes, he was done in about 60. He knows what he is doing and I am recommending him to all my friends and coworkers.
Mercedes-Benz C250 - Brake Pads Replacement (Front, Rear) - Chicago, Illinois
Rigo is a maverick hands down. Don’t take your car for work elsewhere. Especially great at Mercedes—this guy knows his profession! I will be using him for everything related to my car going forward.

Arturo

25 years of experience
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Arturo
25 years of experience
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ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto
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Arturo was prompt and completed my brake repair, including new rotors in a very efficient manner. I am very pleased with the quality of the work and the parts and will definitely look to have him service our other car in the near future.

Scott

32 years of experience
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Scott
32 years of experience
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Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Michael

10 years of experience
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Michael
10 years of experience
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He was promptly on time and got the job done efficiently in a timely manner. I really appreciate the rapid respone on getting the job done! I would most definitely use this service again.

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