Paying attention to your vehicle is imperative in these days, in reality, if you do not do the minimum maintenance of it, or if you do not take into account alerts of abnormality, you highly risk to observe your car getting in bad conditions. This is precisely the theme we are going to talk about in this article, one of the signs that most disturbs drivers is the ABS warning light on Volvo S90. 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 Volvo S90?.
What does the ABS light on Volvo S90 mean?
We will commence our article with the meaning of an ABS warning light on Volvo S90, to do this, in first, we will see what an ABS is, and later on, why the ABS light on your car lights up.
What is the ABS on Volvo S90?
First of all, it is essential to describe to you what the ABS of your Volvo S90 is intended for so that you can understand the remaining of this guideline. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The purpose of this system is to optimise 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 S90 is consisting of several parts, here they are:
- Speed sensors on each wheel, which will analyze if one of the wheels locks up.
- A hydraulic system and valves that will control the pressure of the pads on the discs to control 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 S90
The truth is, you can simply experience 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 linking 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 Volvo S90
Now we move on to the part that you are most certainly more keen on, meaning of an ABS warning light on a Volvo S90? Firstly, it is an orange light, so if it is on it means that your ABS system is defective. You should be advised that when the ABS warning light is on, the ABS will be put into security mode, so you should adjust your driving and not take any risks. Here are the different problems that the ABS warning light on your Volvo S90 can indicate:
- It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to examine it.
- A malfunctioning ABS sensor: A failure of one of them motives the ABS light on your Volvo S90 to come on
- The ABS hydraulic block of your Volvo S90: 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 problem, being the center of all decisions made to run your ABS, the light will inevitably come on.
What if the ABS light turns on on my Volvo S90?
We will now move on 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 S90?. The solutions will might depend on the failures you are going through. Firstly, pass your Volvo S90 to the diagnostic tool, if you don’t know how to read a fault code on Volvo S90, don’t think twice to read our guideline which points out the steps to take. Once you have established the cause of your problem, here are the steps to take to fix it and turn off the ABS light on your Volvo S90:
- Problem of the ECU or the hydraulic block: It can only be adjusted, and in this situation, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to replace the ECU and 1500 to 2000€ if you have to replace both of them.
- Electrical problem: Once you’ve spotted 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: Often a simple cleaning of the sensors will be enough to get rid of the problem, otherwise changing a sensor can cost up to a few hundred euros.
If you want more tutorials on the Volvo S90, go to our Volvo S90 category.