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

Posted on Jul 03, 2011


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Having trouble getting air out of brake lines on GM Sonoma2001

Best way is to purchase a vacuum bleeding kit.

Dec 03, 2016 | 2001 GMC Sonoma

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03 chevy 4x4 how do you bleed the abs?replaced all lines and bled with truck off.good pedal til start up then lost all.guy at auto store said abs needs bled.thanks

Have a look on this link below:
chevy abs bleeding Google Search

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.

May 16, 2016 | Cars & Trucks

1 Answer

ABS light and break light come on once and a while when breaks are applied.

The ABS modules on these units are known for a high failure rate. Use VAG com or other software to scan codes in the ABS module. If you ( technician ) find that you can not connect ( communicate ) with the module, I would suspect that your module may need to be rebuilt, replaced, repaired.

Aug 16, 2010 | 2002 Audi A4

1 Answer

Mk1 A4 ABS warning light

I have a 2000 Audi A4 and the break wear sensor warning light come on for me too. It does not flash and is orange in color. I have asked the Audi dealer twice about it and they told me it's because the previous owner put aftermarket break pads on it, thus messing up the sensors. I don't know about the ABS warning and other than that I wish you luck on it.

Dec 21, 2009 | 2000 Audi A4

1 Answer

Changed brake pads and fluid. Brake light/ABS light still lit.

Go back around and check to make sure you didnt accidentally pinch or cut a brake pad sensor. Also the ABS modules on VAG cars are pretty crappy.

Sep 11, 2009 | 1999 Audi A4

2 Answers

2003 A4 1.4T

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!

Jul 02, 2009 | 2004 Audi A4

2 Answers

Abs and brake light is flashing on my 99 audi a6 quattro i cant comunicate with the abs module

If you need to repair the brake module, there is a fantastic article, complete with photos, at

I followed this example for my '98 and now it works perfectly. I found a shop on eBay to rebuild my module (lifetime warranty) for under $200. It took me about 1 hour to pull it off and about 45 min to put it back on with minimum shop tools

Jun 18, 2009 | 1999 Audi A6

1 Answer

Sevice abs light code 63 91' vette

So is your ABS light on? Computer won't hold a code for the ABS light. There's 4 sensors one at the back of each wheel one of them is bad. As longs as your brakes are working normally you can at your time to fix it. ABS was made for panic stops only thats why the pedal pumps fast when you stop hard.

May 27, 2009 | 1991 Chevrolet Corvette

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Abs and power steering

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.

Jan 15, 2009 | 2002 Oldsmobile Alero

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