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My Anti-Lock and Brake Lights Come on?

Tiny
PSK907
  • MEMBER
  • 1998 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 48,000 MILES
My Anti-Lock and Brake Lights came on my dash and I replaced the front disc pads immediately, they were almost done. My brake fluid is perfect also. After I did so, the lights didn't turn off. I also inspected my rear drums. Is there any brake scanners like an OBD2? I don't know if the pads were the problem, or maybe I have a bad sensor, or I don't know what could be wrong.
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Friday, May 15th, 2009 AT 6:14 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The ABS light gets triggered when the on-board diagnostics detects an issue within the ABS system.
It could be due to a bad sensor, wiring issue or the ABS module.
That light does not get turned on due to having worn brake pads or rotors.

In order to figure out what might be the issue. You will have to scan the vehicle to retrieve the ABS codes. Which can be done using a scanner that is capable of reading ABS codes.

Here is a helpful video:

https://youtu.be/rTtAnsOlZU4

https://www.2carpros.com/articles/abs-warning-light-on-easy-repair-guide

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.
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Saturday, November 20th, 2021 AT 9:42 PM

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