Question about 2002 Buick Century

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ABS/SERCICE ENGINE SOON/TRAC OFF LIGHTS ARE ON

We checked every thing to do with the abs and can't find anything.one of my friends said buick has a problem with the wiring harness rubbing on the tie rod bolt.do you know anything about it?

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  • Anonymous Oct 26, 2008

    I am surprised that other people have experienced the exact same problem on a 2002 Buick Century I couldn't make any sense of the intermittent situation, and turning off the ignition reverts all the lights back to normal. The left front antilock motor runs intermittenly also. Any suggestions from someone who has solved this would be appreciated

  • Anonymous Mar 19, 2014

    SERVICE ENG.SOON LIGHT COME'S ON ABS LIGHT AND TRAC LIGHT'S ON CHECK ENG. SOON LIGHT ON

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Are you sure of the lights? If it is Service VEHICLE Soon, in addition to Trac Off and Anti Lock, it is most likely one of the four wheel hub assemblies. These are sealed bearing units that feed a signal to the computer for the ABS brakes and the tire pressure system. I had one go out intermittently (seemed to be aggrivated by humidity/moisture). I had it replaced, and another one is going out. It seems like they are a bit prone to failure. My Century has 101K, and I experienced the first one around 75K miles. Unfortunately, to tell which one is failing requires a scan tool above and beyond the simple one that most parts stores use. BTW, there was a problem that was fixed just prior to 2002 that was caused by the signal wires going to the left front wheel hub being worn through and shorting. I believe this problem was fixed by 2002.

Posted on Oct 05, 2008

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Reseat the wheel sensor connectors. I did this on my Buick and the problem went away.

Posted on Nov 07, 2008

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1 Answer

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Jul 12, 2008 | 2002 Buick Century

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