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Discussion Starter · #1 ·
Does anyone know where this is located? I thought it was behind the ECM and changed whatever that is but the no shift/no speedometer issue is still with me. I also changed the VSS. Any ideas?
 

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Discussion Starter · #8 ·
Tell me what it is doing and do you have any codes?

I figured it out. The TCM was bad. I changed it but still had problems. I was told the new one was good to go right out of the box. It wasn't. Limped the truck up to my local Chevy dealer and they reflashed the new TCM. All is well now. Thanks for the replies.
 
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