In this guide, you will learn what it means when Cadillac ABS light stays on, common problems, and how to troubleshoot the Anti-lock Brake System (ABS) system.
If your Cadillac ABS light stays on, the anti-lock brake system has detected a problem. Anti-lock brakes, traction control, and stability control will be disabled.
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ABS Light Stays On,Longer stopping distance,Service Stabilitrak Warning MessageService traction control light ONTraction control and stability lights ON
When your ABS fails, you may also get a warning message asking you to service ABS, Traction Control, and Stabilitrak.
Why is my Cadillac ABS light on?
The most common problem that triggers the ABS light to stay on in a Cadillac vehicle is a faulty ABS wheel speed sensor. Cadillac vehciles have four ABS wheel speed sensors, one for each wheel. To find out which one is faulty, follow the steps below to read the codes from the ABS module.
Possible problems that can trigger the ABS light on a Cadillac include:
A faulty or dirty wheel speed sensor,Defective steering angle sensor,Damaged wires,Bad ABS module Blown fuseBad ABS relay
Any of these issues can trigger the Cadillac ABS light to stay on.
How to Read and Reset Cadillac ABS Light
To find out why your Cadillac ABS light is on, you need to read the ABS module”s fault codes. This procedure can be performed by your Cadillac dealer, a local auto mechanic, or yourself.
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In this guide, we are going to show you how to read fault codes from the ABS module of your Cadillac. Once you get the codes, you will need to fix the related problem before you can reset the ABS light.
What you will need
Follow these instructions to read and reset ABS fault codes on Cadillac vehicles 1996 and newer. This method works on models such as ATS, CTS, XTS, CT6, XT5, Escalade, SRX, DTS, STS, BLS, XLR, and Deville.
Park your Cadillac in a safe area where you can work. Locate the Cadillac OBD-2 port under the dashboard.Your browser does not support video tag.Connect your OBD-II scanner.
Turn on the ignition. All Cadillac dashboard lights should turn on but do not start the engine. If your Cadillac has START/STOP button, press it twice without pressing on the brake pedal.
Allow your Cadillac OBD-2 scanner to connect to the Engine Control Unit (ECU). This may take a few seconds.
Select Cadillac from the menu. Manually select the Anti-lock Brake System menu.
Once you fix the problem that was discovered in the previous step, come back to the ABS menu and clear Cadillac ABS codes.
Don”t use a generic OBD-II scanner. A generic scanner will display no error codes even if the ABS light is on. For this procedure, an ABS Scanner is needed.
If your scanner cannot communicate with the ABS module, it is possible that the ABS module is defective and it needs to either be replaced, which can be an expensive repair, or use a third party that provides Cadillac ABS Module Repair Service on eBay.