Watching your car is important in these days, in reality, if you do not do the minimum service of it, or if you do not take into account symptoms of abnormality, you highly risk to observe your car withering away. This is exactly the subject we are gonna discuss today, one of the signs that most perturbs car owners is the ABS warning light on Opel Astra. In an attempt to help you review this warning light, we will first take a look at what this ABS warning light corresponds to, then in a second how to proceed if the ABS light is on Opel Astra?.

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What does the ABS light on Opel Astra indicate?

We will begin our content page with the meaning of an ABS warning light on Opel Astra, for this, in first, we will see what an ABS is, and next, why the ABS light on your car lights up.

What is the ABS on Opel Astra?

To start with, it is essential to demonstrate to you what the ABS of your Opel Astra 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 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 Opel Astra is made from several components, 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 Opel Astra

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The truth is, you can very easily 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 permits, 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 Opel Astra

Now we go forward to the part that you are likely more curious about, meaning of an ABS warning light on a Opel Astra? Firstly, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be aware that whenever the ABS warning light is on, the ABS will be put into safety mode, so you should adapt your driving and not take any risks. Here are the different problems that the ABS warning light on your Opel Astra can point:

  • It could be a simple short circuit, a damaged wiring harness, a defective relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A malfunction of one of them motives the ABS light on your Opel Astra to turn on
  • The ABS hydraulic block of your Opel Astra: If it is defective it is possible that the indicator light will turn 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 operate your ABS, the light will inevitably turn on.

What if the ABS light comes on on my Opel Astra?

We will now go forward to the part where we will try to give you some answers to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Opel Astra?. The answers will might depend on the failure you are experiencing. Firstly, pass your Opel Astra to the diagnostic tool, if you don’t know how to read a fault code on Opel Astra, don’t think twice to read our content which points out the steps to take. Once you have uncovered the source of your issue, here are the steps to take to resolve it and turn off the ABS light on your Opel Astra:

  • 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 replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical issue: Once you’ve spotted 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 defective sensor: In some cases a simple cleaning of the sensors will be enough to solve the issue, in any other case changing a sensor can cost up to a few hundred euros.

If you have any further questions about the Opel Astra, do not hesitate to consult our Opel Astra category.