Symptoms of a Bad or Failing Anti Lock Pressure Switch

The ABS system is a safety feature found on virtually all late model vehicles. It is comprised of several components that work together to help slow the car, reduce wheel lock, and prevent tire skid during heavy braking situations and slippery conditions. One of the components of the ABS system is the ABS pressure switch.

The ABS pressure switch is responsible for monitoring the pressure of the ABS pump or module, as the ABS system cannot function if the fluid level and pressure is not at a specific minimum. For this reason, when the ABS pressure switch fails or has a problem, it can dramatically affect the operation of the entire ABS system and should therefore be inspected or replaced as soon as possible. Usually, when the ABS pressure switch fails, the vehicle will display a few symptoms that may alert the driver of a potential problem.

1. Unexpected wheel lock from ABS system failing

One of the most obvious symptoms that the ABS pressure switch has failed is a non-functional ABS system. The ABS pressure switch is one of the key components in the cycling behavior of the ABS module, so if it has any problems, it can seriously affect the ABS system. A completely failed ABS pressure switch will not be able to send a signal to activate the pump and the system will not work.

2. ABS is continuously running

Another symptom of a possibly defective pressure switch is a continuously running ABS pump or module. The ABS pressure switch plays a direct role in the on / off cycling of the pump. If it has any problems, it can send a bad or inconsistent signal to the ABS pump and cause it to malfunction. If the ABS pressure switch fails or has a problem, it may cause the pump to continuously cycle on and off unnecessarily. This will cause accelerated wear on the pump, and will eventually cause it to burn out.

3. Brakes locking up

Brakes locking up and tires skidding during heavy braking and in slippery conditions is another symptom of a possibly defective pressure switch. This will be caused by the ABS pressure switch failing to activate the pump or module. Without a correctly functioning switch to activate the pump, the ABS system will not work and the vehicle will be more susceptible to skidding and tire locking during hard braking situations.

Because the ABS pressure switch plays a direct role in the proper functionality of the ABS system, it is an important component on any vehicle. For this reason, if you suspect that your ABS pressure switch may be having a problem, have a professional technician, such as one from YourMechanic, properly diagnose the vehicle to determine if the anti-lock pressure switch should be replaced, or if another repair should be made.


Schedule Brake System Inspection
Service Area

$79.99 - $89.99

Price range for all vehicles
Average rating from 224 customers who received a Brake System Inspection.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Excellent Auto Repair Ratings.

4.2 Average Rating

Auto Repair

Service Hours

7 AM - 9 PM

7 days a week

Phone Number

Phone Hours

Mon - Fri / 6 AM - 5 PM PST

Sat - Sun / 7 AM - 4 PM PST

Address

We come to you at no extra charge

Guarantee

12-month/12,000-mile warranty

Service Area

Recent Brake System Inspection reviews

Excellent Rating


YourMechanic Brake System Inspection Service

Average Rating

4.8/5

Number of Reviews

224

Rating Summary
208
8
2
1
5
208
8
2
1
5

Mitchel

23 years of experience
230 reviews
Mitchel
23 years of experience
Jeep Wrangler - Brake System Inspection - Miami, Florida
I have schedule a brake pad replacement on my 2016 jeep wrangler because a year ago the dealer recommended that I need rear brakes.. Mitchel arrive on time and was very professional .after Mitchel inspected the jeep he show me that my brakes were still at 60%on the front and 50%on the rear so it was no need for replacement .I will never use any other service for my car repairs than this one . This is an excellent service if you don't want to get ripped off by mechanic shops and dealers

Daniel

27 years of experience
12 reviews
Daniel
27 years of experience
Chevrolet Corvette - Brake System Inspection - Huntingdon Valley, Pennsylvania
Excellent Mechanic! Diagnosed the problem and told me exactly what I needed. Very Knowledgeable and on time!

Mario

6 years of experience
78 reviews
Mario
6 years of experience
Chevrolet Tahoe - Brake System Inspection - Glen Allen, Virginia
Mario was very professional. Displayed excellent customer service. Very detailed in explaining repairs needed on my vehicle.

Benji

21 years of experience
134 reviews
Benji
21 years of experience
Lincoln MKX - Brake System Inspection - Gilbert, Arizona
Very professional and knowledgeable. Very good business sense and cordial. Thank you for taking care of my car today! ☺

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE