2006 chevy cobalt jerks when it shifts


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2006 chevy cobalt jerks when it shifts

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Auto Repair Home>> Automotive Repair>> Transmission Problems

terry7
New User

Nov 1, 2014, 1:33 PM

Post #1 of 5 (2796 views)

2006 chevy cobalt jerks when it shifts	Sign In

I have a 2006 chevy cobalt, 90,000 miles, automatic. The traction control light comes on, which means the TC is off and not working, but when the light is on the transmission jerks when shifting from 1-2 and 2-3. Sometimes the TC light goes off and then the shifting is fine, then it can turn back on and the jerkiness starts again. I have spoke to a couple of mechanics that said it is fine to drive with the TC off, but they also said that the TC being off shouldn't have anything to do with the shifting. One mechanic told me to check the input and output speed sensors. I found the output, took it out, wiped it off and put it back. Can't seem to find the input sensor. Any input is greatly appreciated

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 1, 2014, 2:06 PM

Post #2 of 5 (2787 views)

Re: 2006 chevy cobalt jerks when it shifts	Sign In

The difference would be that if you intentionally shut the TC off, it would be fine but if some sort of failure in the transmission is what caused the system to shut off, then that will be a problem.

Your first step is you have to get the ABS codes read to find out what shut it down. It's probably a speed sensor somewhere.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

(This post was edited by Hammer Time on Nov 1, 2014, 2:07 PM)

gsferraro
Veteran

Nov 1, 2014, 2:25 PM

Post #3 of 5 (2782 views)

Re: 2006 chevy cobalt jerks when it shifts	Sign In

Agreed with hammer, scan first, you need a direction to get this car fixed. Gary

terry7
New User

Nov 1, 2014, 7:37 PM

Post #4 of 5 (2774 views)

Re: 2006 chevy cobalt jerks when it shifts	Sign In

thanks

gsferraro
Veteran

Nov 2, 2014, 6:21 AM

Post #5 of 5 (2756 views)

Re: 2006 chevy cobalt jerks when it shifts	Sign In

keep us posted. Gary

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