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Traction control activating unecessarily

 
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LSdriver
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2003 Chevrolet Impala


PostPosted: Wed Feb 16, 2011 7:17 pm    Post subject:  Traction control activating unecessarily Reply with quote

Hi folks

'03 Impala LS 3.8


Lately when pulling out of the driveway on bare pavement and going slow in Drive or reverse the traction control is activating. Usually happens when the steering wheel is turned but has happened while reversing in a straight line.

I read quite a few threads on people having this problem. Seems that most say it is the Abs wheel speed sensor harness.

I removed the ground wire in the engine compartment next to the driver side wheel well and cleaned off all the corrosion as mentioned in another thread. Problem still occurs.

Its not a huge deal yet happens once/twice a day and thats it.

Any input would be great, thanks
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Arvetus
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2001 Chevrolet Impala


PostPosted: Thu Feb 17, 2011 5:08 pm    Post subject:   Reply with quote

You likely have developed a short in one of the front harnesses going to the wheel hub sensor. ZSPOT can get you these harnesses, and you will just cut the old one out and splice the new one in.

_________________
- 2001 Impala Base - Navy Blue Metallic
- 3800 Series II


RIP 10/23/2010, 191,197 miles - traded on a 2003 Tahoe Z71
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DefEddie
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2004 Chevrolet Impala


PostPosted: Thu Feb 17, 2011 6:31 pm    Post subject:   Reply with quote

I have no experience in this issue with GM's.
I do have alot of experience with some other makes though,so gonna throw this out there.

Make sure your tires are not only all the same size,but also the same brand.
Difference's between brands on the same tire size can vary up to 1/2" or more in height.
This alters the actual speed the sensor's read for any particular tire.

I have ran into this issue on Lincoln's every now and then,the first time took several days of diagnosis and several convo's with Ford engineers to work out.

Usually presents itself at high speeds (+60mph) and freewheeling (downhill or not under load/drive) and will trigger traction control and advancetrac type functions.

Like I mentioned,don't think this is your issue-sounds like you've got a hub/sensor issue but thought I would throw it out there.
GM's might present the issue differently or something.
But at least now people know the tires can cause those type issues also.
(Lincoln's trigger at a really low delta,like under 1mph IIRC.)
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