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Old 09-13-2019, 07:26 PM   #1
Scooby Newbie
Member#: 504111
Join Date: Jul 2019
Default ABS kicking in for no reason at low speeds

Hi Friends,

I have a 2004 STI and recently, my abs has been kicking in at low speeds on dry pavement.. even during very light braking. It kind of feels how it should in snow and ice. It make a very loud grinding sound when itís happening and I can feel the abs working on my foot, on the brake pedal.

I just replaced all 4 rotors and pads because my front driver side rotor was a little bit warped. The ABS issue continues.

Let me know what you all think, maybe sensors? Or the ABS module?

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Old 09-16-2019, 02:17 PM   #2
Scooby Newbie
Member#: 484401
Join Date: Apr 2018

Does the issue persist when you disconnect the ABS sensor for the Front-Driver side?
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Old 09-23-2019, 12:20 AM   #3
Scooby Specialist
Member#: 141040
Join Date: Feb 2007
Chapter/Region: BAIC
Location: Designing things
07 2.5i wagon


sensor gap is too large, possibly due to a bad wheel bearing somewhere, or the sensor is covered in magnetic junk that's interfering with the pickup. The sensor is dropping out earlier than it is supposed to.

Nothing in the ABS system is likely to be broken - that would generally throw an error and turn the ABS light on. Try getting in there and cleaning the sensor and tone ring.

Last edited by sniper1rfa; 09-23-2019 at 12:29 AM.
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