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International Automotive Technicians Network
Re: Low Brake Pedal - ABS Unit?
Posted to Technical Discussion Forum on 12/5/2023

Since you've gone over the base braking system, your symptom certainly sounds like a leaking outlet (dump) valve in the ABS unit.

My preferred test method is to pump the pedal up until it's firm, then use a scantool bidirectional test to trigger one outlet v... Login to read more.