Keeping an eye on your vehicle is fundamental in these days, in reality, if you do not do the minimum routine service of it, or if you do not take into account signals of abnormality, you highly risk to observe your car withering away. This is exactly the topic we are gonna talk about in this article, one of the signs that most disturbs car owners is the ABS warning light on Citroen C4. In an attempt to help you analyze this warning light, we will first check out what this ABS warning light corresponds to, then in a second how to handle it if the ABS light is on Citroen C4?.

abs-light-stays-on-citroen-c4

What does the ABS light on Citroen C4 mean?

We will start our article content with the definition of an ABS warning light on Citroen C4, for this, in first, we will find out what an ABS is, and soon after, why the ABS light on your car lights up.

What is the ABS on Citroen C4?

First of all, it is fundamental to explain to you what the ABS of your Citroen C4 is used for so that you can understand the remaining of this content. 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 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 Citroen C4 is composed 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 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 Citroen C4

.
The fact is, you can very easily feel 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 actions 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 Citroen C4

Now we go forward to the section that you are likely more interested in, meaning of an ABS warning light on a Citroen C4? First of all, it is an orange light, so if it is on it denotes that your ABS system is faulty. You should be knowledgeable that when the ABS warning light is on, the ABS will be put into safety mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Citroen C4 can indicate:

  • It could be a simple short circuit, a broken wiring harness, a faulty relay or fuse. Use a pressure gauge to verify it.
  • A malfunctioning ABS sensor: A malfunction of one of them causes the ABS light on your Citroen C4 to turn on
  • The ABS hydraulic block of your Citroen C4: If it is faulty 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 manage your ABS, the light will inevitably turn on.

What if the ABS light activate on my Citroen C4?

We will now go forward to the section where we will try to give you some solutions to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Citroen C4?. The solutions will depend on the failure you are encountering. First of all, pass your Citroen C4 to the diagnostic tool, if you don’t know how to read a fault code on Citroen C4, don’t be reluctant to go through our content which explains the steps to take. Once you have located the cause of your issue, here are the steps to take to solve it and turn off the ABS light on your Citroen C4:

  • Issue of the ECU or the hydraulic block: It can only be altered, and in this case, you will have to go through a specialist, 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 issue: Once you’ve noticed an electrical issue with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, in any other case you’ll have to repair the wiring harness.
  • A faulty sensor: Often a simple cleaning of the sensors will be enough to remedy the issue, in any other case changing a sensor can cost up to a few hundred euros.

To discover more tips on the Citroen C4, take a look at the Citroen C4 category.