Question about 2001 Audi A4

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01 a4 quatro 1.8 turmbo AWM abs light on brake light flashing beeper sounding. unable to communicate with abs module with snap on solus, can communicate with PCM< AIR BAG,and instrument cluster,have checked 2 b+ circuits to module 1 Ign. + circuit 2 Ground circuits all at bcm

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The ABS controller has failed (the two lights and the beeps are the telltale). Replace it or have it rebuilt at www.modulemaster.com.

Posted on Jul 03, 2011

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Have a look on this link below:
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In particular a Youtube video:

Bleeding the ABS Brake Control Module On Chevy Using Snap On Solus Ultra
Sometimes it can be a nightmare bleeding the brakes. There seems to be problem after problem or no progress, irrespective of how many times you bleed them. Just a few weeks ago I had the same problem on a 4 litre Jeep.

Have a look on those two links. You obviously know how to bleed brakes and will pick up a tip or two online.

I was in the same position as you - hard pedal until start up after a brake overhaul. I wouldn't like to think how many times I bled the braking system everywhere and nothing worked. Eventually on a Jeep forum somebody suggested changing the brake compensator valve. I did .. and the brakes worked perfectly.

Read a few websites first. You'll het there in the end.

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The light can be reset by disconnecting the battery for about 10 minutes....this will also reset your radio time, and anything else electrical.

I would recommend however, taking the car to a dealership if the warning light is tripped again, just for safety precautions.

Good luck, and God Bless!

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Hey check wheel bearings. I was told that this is a sign that they are going bad. or there is a wire runs to the back of the wheel that may short out.

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