Paying attention to your car is imperative in these days, in fact, if you do not do the minimum service of it, or if you do not take into account signs of abnormality, you strongly risk to observe your car getting in bad conditions. This is precisely the theme we are going to focus on on this webpage, one of the indications that most perturbs drivers is the ABS warning light on Volvo XC90. 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 you can do if the ABS light is on Volvo XC90?.
What does the ABS light on Volvo XC90 signify?
We will start our content page with the meaning of an ABS warning light on Volvo XC90, to do this, in first, we will discover what an ABS is, and afterwards, why the ABS light on your car lights up.
What is the ABS on Volvo XC90?
To begin with, it is essential to describe to you what the ABS of your Volvo XC90 is employed for so that you can understand the rest of this article. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The objective of this system is to lower 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 Volvo XC90 is consisting of different 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 Volvo XC90
In truth, you can simply come to feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is precisely 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 discharge to prevent the wheels from locking up.
Meaning of an ABS light on Volvo XC90
Now we go forward to the part that you are most probably more enthusiastic about, meaning of an ABS warning light on a Volvo XC90? First of all, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be advised that as soon as the ABS warning light is on, the ABS will be put into security mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Volvo XC90 can show:
- It could be a simple short circuit, a damaged wiring harness, a defective relay or fuse. Use a pressure gauge to examine it.
- A malfunctioning ABS sensor: A failure of one of them causes the ABS light on your Volvo XC90 to turn on
- The ABS hydraulic block of your Volvo XC90: If it is defective it is possible that the indicator light will come on and you will no longer be able to use your ABS.
- The ABS computer: If the computer has a trouble, being the center of all decisions made to run your ABS, the light will unavoidably turn on.
What if the ABS light turns on on my Volvo XC90?
We will now go forward to the part where we will try to give you some solutions to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Volvo XC90?. The solutions will depend on the failures you are experiencing. First of all, pass your Volvo XC90 to the diagnostic tool, if you don’t know how to read a fault code on Volvo XC90, don’t think twice to examine our article which points the steps to take. Once you have uncovered the origin of your problem, here are the steps to take to fix it and turn off the ABS light on your Volvo XC90:
- Issue of the ECU or the hydraulic block: It can only be adjusted, and in this situation, you will have to go through a specialist, 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 Volvo XC90, take a look at the Volvo XC90 category.