In this guide, we’ll break down the clear signs of a bad ABS module, the real risks of waiting, what misdiagnoses cost drivers, and how UpFix repairs ABS modules to factory specs for a fraction of replacement costs. We’ll also share two real-world style case studies, explain our straightforward mail-in process, answer the most common questions in our FAQs, and wrap with a practical plan so you can fix it once—and fix it right.