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ABS Light is on Inspection Service

How this system works:

When an issue arises with your anti-lock brake system (ABS), a corresponding light will illuminate on your dashboard. The light will display as the acronym “ABS.”

Your ABS exists to keep your car from skidding dangerously during braking. It is an automated safety system that recognizes when your wheels stop rotating (while your car is still in motion) and releases brake fluid pressure, allowing the wheels to continue to rotate. This stops your car from locking up and skidding uncontrollably, and returns the control of the vehicle to you.

Like most systems in your vehicle, your ABS can falter, and you’ll want to resolve the issue as soon as it does.

Common reasons for this to happen:

Faulty Wheel Speed Sensor

The ABS relies on information from the wheel speed sensors, which are placed inside the hub of each wheel and occasionally inside the transmission. These sensors determine the rate at which the wheels are moving, and relay that information to the ABS. When the ABS receives information that one or more of the vehicle’s wheels are moving slower than the others, the system releases brake fluid pressure, which then allows the wheels to resume movement. If the wheel speed sensor is defective, or if the wiring from the sensor to the ABS is damaged, then the ABS will not get the wheel speed information that it requires.

The wheel speed sensor is made up of two components: a metal ring with teeth attached to a drive axle or wheel bearing, and the sensor itself, which reads the teeth on the ring as the wheel rotates. As the wheel speed sensor is located very close to the braking system, the high heat generated by the brakes cause the wheel speed sensor to be more susceptible to damage. This in turn makes it one of the more common causes of the ABS light coming on.

Unresponsive Hydraulic Pump or Valve

When the wheel speed sensor alerts the ABS that the wheels are moving at different speeds, a hydraulic valve is responsible for releasing, or increasing, the brake fluid pressure to prevent the wheels from losing traction with the ground. Like all pumps and valves, those connected to the ABS are liable to become damaged and unresponsive. This may be due to internal wear typically from dirty brake fluid.

Faulty ABS Module

Corrosion on the ABS module can keep information from being relayed between the wheel speed sensor and the ABS. Corrosion is a relatively common issue, and one that can cause problems in the aforementioned wheel speed sensor wires. Even a small amount of corrosion can cause enough resistance on the wires to keep the system from working. In less common instances, the computer in the module can fail and need to be replaced.

Low Fluid Levels

The ABS relies on fluid to help regulate pressure. If the ABS fluid reservoir is low, or if there is too much air in the system, then the ABS will not be able to do its job.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the source and cause of the ABS issue, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How it's done:

The mechanic will have a scan tool, which allows them to “talk” to the ABS module to find out what is causing the light to come on. The mechanic will check the ABS fuse, and then review the entire ABS system for problems.

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Recent ABS Light is on Inspection reviews

Excellent Rating

(262)

Rating Summary
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Matthew

33 years of experience
1020 reviews
Matthew
33 years of experience
Lexus LS430 - ABS Light is on - Williamsburg, Virginia
Matthew showed up on time for our appointment. Talked to me about the problems I was having with my vehicle and what he was going to do to correct the problem. I find Matthew to be very knowledgeable and passionate about working on vehicles. Job was finished in a timely manner and the price was very very reasonable. Overall great job!!!!
Chevrolet Blazer - ABS Light is on - Norfolk, Virginia
Great guy and very knowledgeable about my 92 Chevy. I already got two more quotes waiting for him to get back to me with. He's one person I will definitely let fix my truck.

Jermaine

24 years of experience
136 reviews
Jermaine
24 years of experience
Hyundai Elantra - ABS Light is on Inspection - Hyattsville, Maryland
Jermaine was the absolute best, I'm usually wary about mechanics but he made the whole thing easy and painless. Thank you so much Jermaine.
Honda Fit - ABS Light is on - Beltsville, Maryland
I would refer him over Your Mechanics. Prior to Jermaine’s visit to repair an issue created by my first Your Mechanic. Mechanic, the experience had been horrific. Her wine was prompt, honest, professional and assisted with getting me connected to the warranty department. Truly earned 5 stars

Shawn

12 years of experience
164 reviews
Shawn
12 years of experience
BMW 328i - ABS Light is on - Douglassville, Pennsylvania
Shawn is very determined and knowledgeable in his trade. My car has been giving him a very unique error challenge however Shawn has been very determined to identify and solve the error.
BMW 328i - ABS Light is on Inspection - Douglassville, Pennsylvania
Shawn was very personal and knowledgeable of his trade. He was engaged when I asked what the testing was.and talked me through it as he went..

Dia

32 years of experience
84 reviews
Dia
32 years of experience
Ford Fusion - ABS Light is on - Decatur, Georgia
Dia arrived on time and was very professional. He explained what he found and what he did. He also let me know what needs to be done to prevent future problems. Dia was very polite and pleasant.
Ford Fusion - ABS Light is on - Decatur, Georgia
My experience with Dia was great. He was very professional and courteous. Dia worked on my car and explained what he had done and recommended what needed to be done in a way that I could understand. I will definitely recommend Dia to family and friends.

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