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Traction Control Light Off

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Old 08-11-2018, 06:59 PM
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Default Traction Control Light Off

Hi Everyone,
New to this site. Recently acquired 2000 Pontiac Bonneville SSEI. Always wanted a black on black SSEI and finally got one. Love the car, just amazing.

So the Traction Control light "OFF" is lit on the dash. If I Push the traction control button on the console it does nothing. I have confirmed the connector is on the other end. The strange part is sometimes it will go off, sometimes on. I have read other articles sayings its the wheel speed sensor. I don't think that is issue since I do not have an ABS light on and if go to each wheel sensor and unplug it, it immediately sends a ABS light to the dash, so i am guessing the wiring is all good.

I have scanned the computer, no codes.

A bit perplexed..any ideas on perhaps next to look would be helpful.

Also, is there a procedure to remove the rug (i.e. how to remove center console, etc.) document anywhere? The seats look relatively straightforward to remove. The reason is I had blocked sunroof drains and the floor got saturated. That is now fixed but I just cannot seem to get that thick rug/padding to dry out no matter what I do (if anyone has suggestions for that let me know)....so figured if I took it out and let it sit in the sun, that would work.

Thanks and I am sure I will have questions in the future
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Old 08-11-2018, 11:09 PM
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You may have scanned for codes, but did the scan tool you used, have the ability to scan for "C" codes? Most only read "P" codes....

Yes removal of the two buckets and the rear seat is straight forward.....as for the console, basically remove shifter handle(u shaped clip to pry out of a slot on handle).......open storage cover......pry the top of the console loose at the outside edges.......remove the storage bin under the cover.....disconnect wire harnesses and shifter cable.....rest of the screws/nuts are obvious....
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Old 08-12-2018, 12:52 AM
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Originally Posted by Pontiac4ever View Post
Also, is there a procedure to remove the rug (i.e. how to remove center console, etc.) document anywhere? The seats look relatively straightforward to remove. The reason is I had blocked sunroof drains and the floor got saturated. That is now fixed but I just cannot seem to get that thick rug/padding to dry out no matter what I do (if anyone has suggestions for that let me know)....so figured if I took it out and let it sit in the sun, that would work.
What region do you live in?

Taking the seats and carpet out might lead to more unforeseen complications than its worth.

I'd suggest a combination of:

- Get your hands on a carpet cleaner with an upholstery attachment. Just use it to suck moisture out of the carpet. Go slowly even if you can't see masses of moisture building up in the attachment.
- Idle the car (with no living creatures in the car) with the heater on full blast and windows closed. Give it about an hour, this will take a lot of moisture out quickly.
- Driving with the air conditioning on recirc full blast and regulating the temperature with the air temperature and not with the blower speed. This will have the air conditioning take moisture out of the air (that is coming from the carpet) at the highest volume it can
- Park with windows down on sunny days if you can. If you need them to be up, let the car get good and toasty for a couple of hours at a time then open all the windows for five minutes then repeat.
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Old 08-12-2018, 12:33 PM
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Cathedral club, if that backing is really soaked, the only way is to completely remove the carpet and dry it out......

I have see carpets look dry on top, and when you remove and hang them, you don't believe how much water is soaked in the backing, until it starts dripping out....

And it makes it a hell of a lot easier, to wet down the car and find that leak....
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Old 08-12-2018, 02:25 PM
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Thanks for the replies.

Yes I have been "shop vac'ing" the pad for about 4 days now off and on. I took the trim piece of the driver side and was able to bend back the rug to get most of it. I am just AMAZED how much water that pad holds. I am 99.99% sure the leak is fixed. The sunroof drain holes were completely blocked. now water runs right through them so I am sure I have fixed the water leak in the cabin by that. Now its just getting the rug dry which I think if I keep working at it with the shop vac and the heat of the sun should (hopefully do it.

Today I went to see my buddy who has a snap on high end scanner that does "c" codes. He scanned it and not one code.

Unless anyone has any other thought on where to look I guess it will be "hunting" looking for frayed or loose wires.

Thanks again for replies!
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Old 08-12-2018, 09:41 PM
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Well, I don't know if your Buddy'* scan tool can read data, but the next thing I would want to know, is the TC switch actually working?

A scan tool capable of reading ABS data, will tell you if the input from the switch is getting to the right module......this data is transferred via the serial data circuit.....I forgot, that you could possibly also have a "U" code stored, since we are dealing with serial data....
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Old 08-13-2018, 12:02 AM
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Originally Posted by Tech II View Post
Cathedral club, if that backing is really soaked, the only way is to completely remove the carpet and dry it out......

I have see carpets look dry on top, and when you remove and hang them, you don't believe how much water is soaked in the backing, until it starts dripping out....

And it makes it a hell of a lot easier, to wet down the car and find that leak....
Yeah if it is under the backing and soaked really well then probably best to pull the carpet out. I was giving suggestions for if it isn't quite that bad where I've had good luck.

And yeah, without carpet it'd be really easy to find the leak. I think he got that solved already though.
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Old 08-13-2018, 12:05 AM
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Originally Posted by Pontiac4ever View Post
Yes I have been "shop vac'ing" the pad for about 4 days now off and on.
Depending on the shop vac (and the carpet cleaner), the carpet cleaner will often suck harder. They are designed to work against more restriction.
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Old 08-16-2018, 07:20 AM
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TECH II - You were correct. My buddy either didn't know what he was doing or his scanner wasn't working or something in between.

I took the car to Firestone service center to have the tires balanced...they scanned the computer with their scanner and came up with a C1234.

From what I have seen this means Driver Rear Speed sensor / wiring issue. Can you or anyone confirm that is the wheel? If so, at least now I can dig deeper and look for bad wiring or perhaps a bad sensor.

As for the rug, it is drying out nicely although slowly....so I think if I continue leaving windows open, fans, etc. I should at some point be ok.

Thanks for everyones help
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Old 08-16-2018, 01:44 PM
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Originally Posted by Pontiac4ever View Post
they scanned the computer with their scanner and came up with a C1234.

From what I have seen this means Driver Rear Speed sensor / wiring issue. Can you or anyone confirm that is the wheel?
In looking on the Interweb it looks like C1234 is left-rear on Pontiac and a few others. Searching without "Pontiac" involved gets right-front on most brands. I'd start with the left-rear.
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