Question about 2002 Buick Century

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2002 buick abs, trac off lights come on

After hearing a vibrating sound from the front brakes, the abs light and trac off lights come on. Sometimes the service engine soon light comes on as well. I know the front brakes were done seven months ago.

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  • robert aldrich Sep 01, 2013

    there is documentation that the 2002-2003 abs wire was routed over the weel controle arm and tends to short out the wire. has been fixed since. replace bearing 600.00$, tape or solder wire priceless

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BAD WHEE BEARING AND PROBABLY THE PLAY FROM THE WHEEL BEARING HAS DAMAGED THE SPEED SENSOR FOR THE ABS

Posted on Jul 29, 2009

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Thats really good. I took my 1998 Buick Century in for the ANTI LOCK light being on and occasionally the lowtrack. They put it on the tester thing doodle (hell I don't know what they call it), oh, code reader. Anyhow a code came up that my wheel bearing assembly needed replaced. I hope it fixes the anti-lock. He said it might be a bad wire (I hope not) as well.

Posted on Oct 29, 2011

  • Dan the man Oct 29, 2011

    Oh, also I hear something like a clicking sound up front. I hope the new wheel bearing assembly fixes that as well.

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Related Questions:

1 Answer

Why is my trac off light on


It is the anti lock brake system. First, look at the ABS. It will come on for a bad wheel sensor or broken wire. This will also throw the trac light on. ABS is on because the computer senses the one tire is trying to stop or lock up. this releases the brake pressure. On the traction light(which should also throw the ABS light), one tire is spinning faster that another. This can happen on gravel, sand or snow/ice. When you turn the key on, do you have an ABS light on, then goes off? Same with a trac light. If you do, then you have a bad wheel sensor. Scan it and replace it.

Jan 04, 2015 | 2002 Buick Century

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Service engine soon, trac off anti-lock brake light on


if your car has an automatic trassmision , the problem is the clutcht not the ABS

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I am having a horrible grinding sound and vibration in my brake pedal and i can sometimes feel it in my steering wheel while turning. My ABS and Trac Off lights keep coming on as well. I got the left...


Grinding sound ? May be worn brake pads, down to the metal against the rotors. Vibration, could be a warped rotor, wheels not balanced, worn outter tie rods. The ABS light will come on if the tooth ring is broken, giving you a pulsing pedal. That is what the ABS does.

Mar 31, 2011 | 2003 Pontiac Grand Prix

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When turning my wheels left or right the anti lock and the trac off lights come on. what is this the brakes work fine


There is an abs sensor in the left front wheel that is the common culprit on 97-2002 park ave, century and regal

Feb 18, 2011 | Buick Century Cars & Trucks

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Service Vehicle, Trac Off, & ABS lights 2001 Buick Century.


I just put in new fron pads in my 2000 buick century and the track off and the anti lock brake light and the service engine soon stays on

Jun 16, 2010 | 2001 Buick Century

1 Answer

Oil, trac off, service vehicle soon, and abs lights are on. I had the oil changed and the brakes done. why are these lights still on?


This looks like a failed or faulty connection to the speedometer/ cluster. Try removing the cluster and reinstalling. Sometimes the connections become loose for vibration and simply need reseated.

Jun 11, 2010 | 2002 Pontiac Grand Am

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Service engin soon , Anti lock brake, & Trac control lights came on while driving 55 mph


CHECK ALTERNATOR OUTPUT.MAKE YOUR VOLTAGE OUT PUT IS 13.5 TO 14.5 VOLTS.IF NOT ALTERNATOR BAD IF ALTERNATOR GOOD THE DEALERSHIP HAS TO HOOK CAR TO DIAGNOSTIC TO CHECK THE ENGINE PCM CONTROLS AND ABS BRAKES AND TRAC.SYSTEM.REASON I SAID ALTERNATOR BECAUSE I SEEN ALTERNATOR GO BAD UNTIL IT OUTPUT WAS LOW CAUSING CHECK ENGINE LIGHT AND ABS LIGHT TO COME ON.

Mar 10, 2010 | 1999 Oldsmobile Alero

1 Answer

Several warning lights on dash, vibration when brakes applied.


it sound like it to me that the alternator need to be tested and the brakes need to be chechout give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.

Jan 04, 2010 | 2000 Toyota Camry

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