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Automotive glossary

ABS Module (Hydraulic Unit)

The ABS module combines the control unit and hydraulic valves for ABS and ESC.

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What is ABS Module (Hydraulic Unit)?

It modulates brake pressure. It contains a pump. It needs bleeding procedures. Some module faults can be repaired by specialist companies, which is cheaper than a new unit. A replacement module usually needs coding to the vehicle. After replacing brake components that open the hydraulic system near the module, a scan tool routine may be required to bleed it fully.

How it works

Valves reduce, hold or increase pressure.

Why it matters for your car

Failures show warnings. Repair or replacement is costly.

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