Question about 1999 Pontiac Grand Am GT

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Abs light on and trac off light on new front brakes recently installed

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First thing I would check if brakes were installed is that the abs wires did not accidentally get disconnected. If that did not occur you will need a scan tool to determine why the abs light came on. It is probably due to a bad wheel speed sensor.The trac light is on because currently your abs is disabled and the traction control requires use of the abs system to function.

Posted on May 30, 2010

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Posted on Jan 02, 2017

DOODYDOODYDO
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SOURCE: 2002 buick abs, trac off lights come on

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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SOURCE: abs light and trac off light on

I had the same problem - it has to do with your front hub. Probably best to take into the dealership

Posted on Oct 11, 2008

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CHECK TO SEE IF YOU HAVE TRANSMISSION FLUID ON FRONT BRAKE ROTOR OR BRAKE PADS.IF BRAKES CONTAMINATED THE TRAC LIGHT AND ABS LIGHT WILL COME ON.IF ALL LOOKS GOOD LET DEALERSHIP CHECK OUT THE ABS BRAKES AND TRAC SYSTEM.THEY HAVE TO USE DIAGNOSTIC EQUIPMENT TO FIX THE PROBLEM.

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1 Answer

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All the hubs on the car have the abs sensor built into the hub. The abs system has to be re set to read the sensor . The rear hub bearing if noisy should be replaced. There are wiring harnesses that connect to the abs sensor. The harnesses to each of the abs sensor should be replaced.

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I have the same ABS problem... I just had new brakes and front wheel bearings done. A couple weeks later the Service light, ABS, light and Trck off light came on. While driving on the highway it sounded like the breaks were scraping or something to that effect. In any event, there was a rather loud intermittant vibration. Is this a serious mechanical problem caused by the ABS failure?? Appreciate any help!

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2 Answers

Traction control light and abs light


ok your problem is that your brakes are under force you shold get new brake pads ok

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