Hello,
The ABS lights come on when the module detects an error in the system. It could be a faulty sensor or a loose connection. It can also be the module.
Best course of action is to scan for the ABS code(s). That can point out what might be the issue.
Here is a helpful video:
https://youtu.be/rTtAnsOlZU4
The wobble is probably due to a loose or worn suspension component in the back. It is like a bad sway bar link.
Do a thorough inspection of the rear suspension. Look for any loose, worn or damaged components.
https://www.2carpros.com/articles/popping-noise
I have attached diagrams for your reference.
Please let me know of any questions.
Thank you.
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Monday, September 27th, 2021 AT 2:17 PM