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Discussion Starter · #1 ·
Just thought I would check to see if anyone else had this problem. I was driving the other day and noticed my TC light was on and my car was shifting abnormally hard. This continued until I was able to get out of traffic and shut the car off and restart. I just that this was an add problem, I have never encountered this before. The car only has 47000 on it, and I don't drive abnormally hard, so my tranny shouldn't be dead yet. But if anyone else has shared this experience let me know!
 

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I read about this in other threads on another website. Have you checked for DTCs? It can be a brake problem, brake sensor problem, or an electrical gremlin.
 

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i had the same problem with my 05 ls, anytime i got above 4k rpm the tc and abs lights would come on and it would shift really hard. it was actually a lean condition, check your maf, and make sure you dont have a vac leak anywhere.
 

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same problem

I had the exact same problem. It was also a lean problem for me, my car kept throwing a lean code and maf code. The t/c light would come on and i would have to turn the car off to reset it. I replaced my maf and lean code and malfunction t/c light hasnt come on since. Hope this helps cause it drove me nuts untill i fixed it.
 

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t/c light of death

My light comes on and the trans does the hard shift too. How the hell do i get this fixed when the light turns on and off as it pleases. My service advisors being a punkass and wont have any work done on it. I should have kept my GTO....
 

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I had this problem once after i drove through a foot of water. but nothing sense.

side note : if there ducks swimming across the road don't drive over it.
 
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