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am I correct in thinking that if my Enclave was built in the first week of Sept. that it should have had the most current transmission upgrade installed? I think it is still very slow to downshift and I can't imagine how bad it was before. How do I check that I have the most current programming?
 

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The inside word was that any vehicle built in August or later has the most current software.
 

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bsox said:
am I correct in thinking that if my Enclave was built in the first week of Sept. that it should have had the most current transmission upgrade installed? I think it is still very slow to downshift and I can't imagine how bad it was before. How do I check that I have the most current programming?
Had mine done. Pretty much downshifts like a good old GM 4 speed auto, of old! Check w/dealer! It's nice now!
 
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