Traction Control Light Intermitent - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 29 (permalink) Old 02-14-2012, 09:20 AM Thread Starter
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Traction Control Light Intermitent

Traction control light intermitent for the past couple of days. This morning, the car (2006 G5 with 2.2 eng and 4 spd auto) was upshifting gears very roughly and the same when dowshifting.......everything was smooth when idling or cruising at speed on the highway...anybody seen or heard about a similar problem......
I checked those ground wires next to the fuse box on the right side under the hood....no corosion.......

any ideas before I take it in for service

THANKS
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post #2 of 29 (permalink) Old 02-14-2012, 10:50 AM
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Where do you go for service, fl1000? I only ask to say that if you plan on working with one of our dealerships, I'd be happy to assist as needed.

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post #3 of 29 (permalink) Old 02-14-2012, 03:36 PM Thread Starter
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Thank you Sarah

After checking those ground wires,I opened the fuse box and started pushing the fuses down......I would say that 60-70% of the fuses and relays were not seated properly.the car worked fine this afternoon but it wasn't as cold outside.........I'm keeping my fingers crossed that re-seating the fuses and relays did the job as this problem just came out of nowhere...no work has been done on the car lately.........
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post #4 of 29 (permalink) Old 02-16-2012, 09:21 AM Thread Starter
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Car is still running fine 2 days after re-seating the fuses and relays but it hasn't been as cold as the day it acted weird.....still keeping my fingers crossed
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post #5 of 29 (permalink) Old 02-22-2012, 06:56 AM Thread Starter
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The only problem i get now is the occasional chime (ding-ding-ding)but no lights come on in the dash....this usually happens 1 or 2 minutes after i drive off with the car....uuummm is something bad coming!!!!!!!!!! it still hasn't been as cold outside as when I had the T/C light on and the rough shifting....
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post #6 of 29 (permalink) Old 02-29-2012, 04:07 PM Thread Starter
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Here it is again...Traction Light came back on solid tonight as I was driving on the highway but no problems were noticed and tranny shifted smoothly.....
I have an OBD2 reader but the LCD display is broken on it.....

is there still a way to short some pins in the connector to get the CHECK ENG
light to flash the trouble code.....!!!!!!!!!
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post #7 of 29 (permalink) Old 02-29-2012, 08:07 PM
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hell no dont work like that anymore gotta scan to see which abs sensor/wheel bearing is f'ed

09 SS/TC 4DR G85
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post #8 of 29 (permalink) Old 03-01-2012, 05:33 PM Thread Starter
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Quote:
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hell no dont work like that anymore gotta scan to see which abs sensor/wheel bearing is f'ed
hooked up an OBD2 reader tonight and no codes were set ....
would a TRACTION CONTROL light set a code....
I get this problem when it gets colder outside so I suspect a bad connection somewhere,,,either a bad ground,a cold solder on a board in an electronic module...could be anywhere I guess

still wondering why I sometime get a chime with no lights or messages on the display
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post #9 of 29 (permalink) Old 03-02-2012, 07:13 PM
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i just work on a cobalt with same problem monitored wheel speeds when vehicle started to move saw one was delayed so looks like looseing traction light came on

09 SS/TC 4DR G85
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post #10 of 29 (permalink) Old 03-02-2012, 08:36 PM
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You might have water in one of the wheel speed sensor connector and when it freezes it expands the pins and you lose contact temporarely. Clean and spray them with water dispersant and respring the female side contacts.

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