Hello,
This could be due to a faulty brake modulator unit.
That unit controls brake pressure to each wheel.
Internal malfunction like a seized valve can cause brake lockup to any given wheel.
https://www.2carpros.com/articles/how-to-replace-a-abs-controller
I have attached the diagrams for your reference. Also included the testing procedure for that control unit.
Please let me know of any questions.
Thank you.
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Friday, October 22nd, 2021 AT 12:15 PM