Keeping an eye on your vehicle is essential nowadays, in reality, if you do not do the minimum service of it, or if you do not take into account signs of abnormality, you highly risk to see your car withering away. This is specifically the topic we are going to discuss today, one of the indications that most perturbs car owners is the ABS warning light on GMC Yukon XL. 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 how to proceed if the ABS light is on GMC Yukon XL?.


What does the ABS light on GMC Yukon XL indicate?

We will start our content with the meaning of an ABS warning light on GMC Yukon XL, to do this, in first, we will find out what an ABS is, and later on, why the ABS light on your car lights up.

What is the ABS on GMC Yukon XL?

To begin with, it is vital to describe to you what the ABS of your GMC Yukon XL 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 purpose 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 GMC Yukon XL is composed of different components, 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 GMC Yukon XL

The fact is, you can with ease 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 actions that ABS allows, it will optimise braking to the maximum by relating 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 GMC Yukon XL

Now we proceed to the section that you are probably more interested in, meaning of an ABS warning light on a GMC Yukon XL? Firstly, it is an orange light, so if it is on it denotes that your ABS system is defective. You should be advised 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 GMC Yukon XL can indicate:

  • It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to verify it.
  • A malfunctioning ABS sensor: A breakdown of one of them triggers the ABS light on your GMC Yukon XL to come on
  • The ABS hydraulic block of your GMC Yukon XL: 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 unavoidably come on.

What if the ABS light activate on my GMC Yukon XL?

We will now proceed to the section where we will try to give you some solutions to turn off this light, and thus answer the following question, what to do if the ABS light is on on my GMC Yukon XL?. The solutions will rely upon the failures you are enduring. Firstly, pass your GMC Yukon XL to the diagnostic tool, if you don’t know how to read a fault code on GMC Yukon XL, don’t be reluctant to browse our article which details the steps to take. Once you have found the origin of your trouble, here are the steps to take to resolve it and turn off the ABS light on your GMC Yukon XL:

  • 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 replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical trouble: Once you’ve identified an electrical trouble 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: Occasionally a simple cleaning of the sensors will be enough to remedy the trouble, in any other case changing a sensor can cost up to a few hundred euros.

To find more tips on the GMC Yukon XL, take a look at the GMC Yukon XL category.