[A4] abs light

Quincy Chiang b5quattro at shaw.ca
Sun May 30 04:12:50 EDT 2004

Also check the alignment of the ABS sensors and the conditions of the wires (ie. cracks) before replacing the ABS controller.  On older Audis, sometime the sensor is positioned too close or too far away from the wheel hub, an adjustment may fix it.


----- Original Message -----
From: Igor Kessel <kbattpo at verizon.net>
Date: Friday, May 28, 2004 8:35 pm
Subject: Re: [A4] abs light

> Thomas Stanton wrote:
> > A few weeks ago my abs light and brake light came on. After 
> talking to local mechanics they all said clean your wheel sensors 
> and the light should go out. I cleaned my wheel sensors and my 
> lights are still on. Where I live there are no real shops that 
> have all the electronics to read the computer on a A4. My wife who 
> drives the car every day tells me that sometimes when she pushes 
> the brake peddle the lights will go off and when pushing on the 
> brakes they feel like the abs is wanting to kick on with the 
> pulsating feel. After a few minutes the lights come back on.  It 
> sounds to me maybe a wire is not all connected, maybe corrosion is 
> getting the best of a wire. Help me out, please.
> > 
> > Tom
> > 98 A4 avant quattro
> Tom,
> I hate to break the news to you, but most likely your ABS 
> controller is 
> toast. It was the case with my '98 A4, as well as with a lot of 
> other A4 
> of the same vintage.
> If you VAG-COM the car and it does not communicate with the ECU 
> (Module 
> 1), and the ABS light is ON, you should prolly start looking for a 
> new 
> ABS controller.
> -- 
> Igor Kessel
> two turbo quattros in the stable,
> the third one is in the works
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