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Hey guys and gals.. I have a 2006 Chevy trailblazer the transmission is having issues shifting. It looks and sounds to be the shift solenoid. But what I am wondering is will the tranny out of a 2003 trailblazer bolt up and work with no issues? I am going to do a rebuild on the tranny out of the 06 but need the vehicle for the family.. so wanna put the tranny in from the 03.
Any help is greatly appreciated.
 

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2004 gmc envoy_slt
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I'm pretty sure that in 2006 they changed the tranny controller to a separate unit (TCM) unlike previous years that was the job of the PCM (Powertrain Control Module).
 
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