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Unread 01-12-2011, 07:53 AM   #1
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Default How to disable TC on Chevy Cobalt

Ok I have a 2005 Cobalt, if there is more than 3 inches of snow it won't go up my driveway. The traction control comes on and retards the timing and the car falls flat on its face and won't make any more forward progress. I know you can shift it to 2 or 1, but then rather than traction control the rev limiter steps in and basically makes it feel the same way as if the TC was on. I know this trick because I had a 98 Cavalier that did the same thing, but when you put it in low there was no rev limiter and it would go right up the driveway.

No other car I have ever had has any issue getting up my driveway except this Cobalt(and my dad's 06 cobalt, and my mom's 09 cobalt). My friend can make it up the drive in his 05 Mustang GT without issue.

Any ideas?
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Unread 01-12-2011, 09:03 AM   #2
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Unless there's a button the only other possible way I would know of is to disable it via a PCM tune.
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Unread 01-12-2011, 10:25 AM   #3
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Originally Posted by TwIsTeDbOi View Post
Unless there's a button the only other possible way I would know of is to disable it via a PCM tune.
Lol, I wish there was a button. My dad's new HHR has a button, which makes me wonder if there would be wiring somewhere for one, but who knows.

Yeah I wonder about the pcm tune, but I can't find any info anywhere about it.
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Unread 01-12-2011, 10:33 AM   #4
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Okj traction control doesn't retard timing it applies the brakes may feel similar and limit revs because it's basicly power braking. It can be disabled just pull the fuse, but you will also loose ABS since the 2 systems are jioned at the hips. Or you could disconnect a ABS sensor at the wheel but again you would loose ABS.
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Unread 01-12-2011, 12:03 PM   #5
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That could be, its been a long time since I was in college or working on cars as a mechanic.(and in the 10 years since then I know a ton has changed)

No having dash lights on are not an option, so pulling the fuse won't work.

I guess I could wire a switch into the fuse but, I would really like a better work around.


Anyone know of any companies that make programmers for Cobalts, maybe I could call one and see if they know about reprogramming. I bet they don't for stockers with the base motor, the SS's probably have something though.
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Unread 01-12-2011, 12:25 PM   #6
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My aunt has a Cobalt. We found an amazing trick. Just click the emergency brake up one click, it'll disable the TC. One click won't make the rear brakes engage. Have fun
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Unread 01-12-2011, 01:52 PM   #7
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Originally Posted by wierdo124 View Post
My aunt has a Cobalt. We found an amazing trick. Just click the emergency brake up one click, it'll disable the TC. One click won't make the rear brakes engage. Have fun
But then the rev limiter kicks in(according to my wife....) I need to try it for sure though.
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Unread 01-12-2011, 02:30 PM   #8
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Cobalt & Ion ---> ZZ Performance

There ya go.
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Unread 01-12-2011, 06:23 PM   #9
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It shouldn't keep it from shifting...

It'll ding at you and the dash light will be on, but it should shift, and it should disable the TC.

Both our cars with TC (both the Pontiacs) have buttons, i don't know why they got rid of them. I personally disable it every time i drive either of 'em. I can modulate my own throttle.

Also - since when does snow exist in Missouri?
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Unread 01-12-2011, 07:58 PM   #10
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Quote:
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I don't think he has the LSJ
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