Traction Control Issue - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-19-2005, 12:56 AM   #1
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Default Traction Control Issue

Well here'* the deal I was out the other nite riding around and decided i was going to spin the tires around the corner. I very seldom drive this crazy but I had someone new in the car and they were impressed with it so I decided to go for it. So before going I switched the traction control off and proceeded to burn the tires around the corner. Well after that I stop at the next light and flip the traction on and nothing happens. Light is still on and I figure maybe I got the tranny hot or something and it would eventually work. Well 2 days later the light is still on. Where do I start. I'm having no ABS issues and everything else seems good. Thanks guys in advance.
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Old 05-19-2005, 12:59 AM   #2
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Check your wheel speed sensors.

Or try resetting the computer?
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Old 05-19-2005, 01:05 AM   #3
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I did reset the computer. Haven't had time to check the wheel sensors yet cause it'* dark and I'm gonna wait until after work tommorrow.
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Old 05-19-2005, 01:22 AM   #4
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If my wheel sensors are bad won't I get a ABS light also? Right now the ABS works fine and the traction control light is all that is on.
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Old 05-19-2005, 01:30 AM   #5
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hrmmm.....I dunno...That is a good question
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Old 05-19-2005, 02:47 AM   #6
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First of all, 'resetting the computer' won't have any effect, as your PCM has nothing to do with traction and ABS on your year.

I'm assuming you're talking about the 93 SSEi?

If the ABS works, and the TC doesn't, it can't be the WSS. It could be the EBCM, but VERY unlikely.

Your most likely culprit, unfortunately is the PMV assembly with your symptoms. That part is about $750 from the dealer. You should really get it checked by the dealer (they have to use a special serial reader interface direct to the EBCM to get traction/ABS codes) before jumping on this, but from my experience with this system, that'* your likely culprit.

Try reseating the large connector at the PMV (under your airbox), but that probably won't do it.

Don't sweat it. My traction has been out for a year, and I don't miss it at all. Not even in our winters. I just air down the tires a couple pounds, and ease off the line. Get your tires siped. It'll be more useful than TC anyway.
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Old 05-19-2005, 09:01 AM   #7
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Quote:
Originally Posted by willwren
First of all, 'resetting the computer' won't have any effect, as your PCM has nothing to do with traction and ABS on your year.

I'm assuming you're talking about the 93 SSEi?

If the ABS works, and the TC doesn't, it can't be the WSS. It could be the EBCM, but VERY unlikely.

Your most likely culprit, unfortunately is the PMV assembly with your symptoms. That part is about $750 from the dealer. You should really get it checked by the dealer (they have to use a special serial reader interface direct to the EBCM to get traction/ABS codes) before jumping on this, but from my experience with this system, that'* your likely culprit.

Try reseating the large connector at the PMV (under your airbox), but that probably won't do it.

Don't sweat it. My traction has been out for a year, and I don't miss it at all. Not even in our winters. I just air down the tires a couple pounds, and ease off the line. Get your tires siped. It'll be more useful than TC anyway.
Bill Is this the large round connector right near the TC or the large connector I think I saw on the 97 donor that hooks directly to the TC?
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Old 05-19-2005, 11:34 AM   #8
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Quote:
Originally Posted by willwren
Don't sweat it. My traction has been out for a year, and I don't miss it at all. Not even in our winters. I just air down the tires a couple pounds, and ease off the line. Get your tires siped. It'll be more useful than TC anyway.
I couldn't agree more. I have driven all my cars without any traction control, and we get tons of snow here. This is the first car I have owned with traction control, and like ABS, it'* not essential to me. I have had ABS on a few cars the past 10 years, but I can do ok without it..

I would like to ask... What does "siped" mean? Is that a misprint, or is it something I haven't learned yet? I have heard of having the tires studded for winter use..
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Old 05-19-2005, 11:56 AM   #9
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Siping is a tire tread thing.

Know how when you get a car new the tires have a solid edge on the outside of the tire. This is to keep noise levels down. Unfortunately it also causes a problem in the rain. The water can only get squeezed front to reat of the tire.

Sipes are those nice side channels on tires. They allow the water to not only squeeze front to back, but also out the side. They provide much greater traction in all weather.
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Old 05-19-2005, 12:15 PM   #10
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That'* iteresting to know. I never realized stock tires were different.... maybe because I never owned a new car... he he

I'm going to keep this in mind when buying tires next time around.

I guess it'* true, ya learn something new every day........ especially @ BC forums..
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