Monitoring your car is very important in these days, in reality, if you do not do the minimum service of it, or if you do not take into account alerts of abnormality, you highly risk to observe your car withering away. This is specifically the theme we are gonna talk about today, one of the indicators that most perturbs motorists is the ABS warning light on Volkswagen Passat . In an attempt to help you review this warning light, we will first check out what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Volkswagen Passat ?.
What does the ABS light on Volkswagen Passat mean?
We will start our article with the definition of an ABS warning light on Volkswagen Passat , to do this, in first, we will discover what an ABS is, and soon after, why the ABS light on your car lights up.
What is the ABS on Volkswagen Passat ?
To start with, it is important to demonstrate to you what the ABS of your Volkswagen Passat is intended for so that you can understand the remaining of this article. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The goal of this system is to optimize the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your Volkswagen Passat is consisting of several elements, here they are:
- Speed sensors on each wheel, which will examine if one of the wheels locks up.
- A hydraulic system and valves that will manage the pressure of the pads on the discs to manage the braking power of the car
- A computer that is the control center of your entire ABS system as well as the ABS light of your Volkswagen Passat
In truth, you can very easily experience how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is exactly the behaviour that ABS allows, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of release to prevent the wheels from locking up.
Meaning of an ABS light on Volkswagen Passat
Now we proceed to the section that you are most likely more interested in, meaning of an ABS warning light on a Volkswagen Passat ? First of all, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be conscious that whenever the ABS warning light is on, the ABS will be put into safety mode, so you should adjust your driving and not take any risks. Here are the different problems that the ABS warning light on your Volkswagen Passat can alert:
- It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to check it.
- A malfunctioning ABS sensor: A failure of one of them triggers the ABS light on your Volkswagen Passat to turn on
- The ABS hydraulic block of your Volkswagen Passat : If it is defective it is possible that the indicator light will occur and you will no longer be able to use your ABS.
- The ABS computer: If the computer has a problem, being the center of all decisions made to manage your ABS, the light will obviously turn on.
What if the ABS light comes on on my Volkswagen Passat ?
We will now proceed to the section where we will try to give you some answers to turn off this light, and thus answer the following question, what to do if the ABS light is on on my Volkswagen Passat ?. The answers will be based upon the deficiencies you are having. First of all, pass your Volkswagen Passat to the diagnostic tool, if you don’t know how to read a fault code on Volkswagen Passat , don’t be reluctant to browse our article which details the steps to take. Once you have uncovered the origin of your problem, here are the steps to take to correct it and turn off the ABS light on your Volkswagen Passat :
- Issue of the ECU or the hydraulic block: It can only be altered, and in this situation, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to change the ECU and 1500 to 2000€ if you have to change both of them.
- Electrical problem: Once you’ve detected an electrical problem with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, otherwise you’ll have to repair the wiring harness.
- A defective sensor: In some cases a simple cleaning of the sensors will be enough to fix the problem, otherwise changing a sensor can cost up to a few hundred euros.
To find more tips on the Volkswagen Passat , take a look at the Volkswagen Passat category.