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Thread: 6l80/6l90 TCM location
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10-30-2010 #1
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6l80/6l90 TCM location
Hello All,
I am trying to locate the TCM in the 6l80/6l90 transmission, but can't seem to find it. Is it the black box underneath the valve body?
Thanks in advance
Robert
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12-01-2010 #2
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Unless GM changed something, the TCM is mounted in the car not in the transmission. All you have is a transmission, now you need to buy a controller/harness. Try giving Bowler transmissions a sponsor on here a call/
Lee Abel
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12-01-2010 #3
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Pretty sure its in the computer but I dont know if its what you think it is. Sorry. The 6L80 is a different animal...thats for sure.
12-06-2010 #4
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The 6L80E & 6L90E TCM is in the transmission. It is bolted to the valve body. I have attached a photo below.
Thanks,
Mark
07-17-2011 #5
New to Pro-Touring
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- Jul 2011
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Mark,
came accross you Photo of the 6l80 TCM, which was a big help, and wondering if you have removel instructions for the TCM?
Thanks
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