Question about 2007 Buick Terraza CXL Wagon

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ABS and Traction Control lights come on intermittantly

I have a 2007 Buick Terraza with 56,000 miles on it (just out of warranty). Shortly after changing the front brakes, including resurfacing of the rotors, my ABS and Traction control lights came on. The lights go on or off intermittantly. I've driven a couple of 100 miles with no lights coming on. Other times they come on as soon as I start the car and stay on the entire time, or may go off a while later. Wondering if there is a dirty sensor or some other quick fix?

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  • ske0920 Dec 03, 2008

    I have the same problem except I keep getting ABS, Traction, and Stability lights. One day they'll come on, the next they won't.

  • Anonymous Feb 24, 2009


  • tshart Feb 28, 2009

    same problem as described with 75,000 miles on a 2005

  • Anonymous Apr 04, 2009

    All you do is list people with same problems. Talked to Buick they say they can fix it for about 600.00. Buick is a rip-off. now you want to charge for the solution. no thanks, won't come to your site again.



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At 45000 miles we had this problem. After replacing hubs, and abs sensors the problem was traced to a frayed wire at the firewall that was going to ground an the ac tubing.

Posted on Feb 28, 2009

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I experienced this problem as well after doing a brake job. I found info about the wiring issues and ordered a new wire harness for the right front speed sensor. While waiting for the part though, I washed the van and discovered a lot of black coming out of the wheels. Gave them a really good wash and reset the codes. Been over a month now without the lights coming back on.
Seems the semi metallic brake pads I purchased are creating a lot of dust which may be causing issues with the sensors. So much so that it starts to mimic a computer (ebcm) fault. Keeping my fingers crossed. If the lights stay off for a while more, I may just bite the bullet and install ceramic pads to eliminate the dust. Washing the wheels is certainly a cheap fix if it works for you :)

Posted on Jul 24, 2011

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Did you have anyh issues with brake pedal going to the floor when these codes came on?

Posted on Nov 23, 2011

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Posted on Jan 02, 2017

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SOURCE: ABS and Traction Control lights come on intermittantly

If your problem turns out to be a sensor which requires replacement of the hub assembly--would be covered under the powertrain warranty--not sure what it is the US--In Canada it is 5 years/100,000Km
or some have 5 years/160,000 km--I used to work at a GM dealer and we replaced ALOT of these.

Posted on Apr 02, 2009

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