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Discussion Starter · #1 ·
My transmission cant make up its mind between 1st and 2nd keeps going back and forth around 21 to 26 MPH the RPM stays the same, I am still under factory warranty, so far dealer does not know what is going on
 

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Assuming you have the 48RE auto....here's your TSB

TSB 21-009-07

Tell the dealer to start paying attention....:rof
 

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U got it buddy! :thumbsup

Wish mine was still under warranty, i've got the same problem, but i'm gonna have to pay to have it done when i get the trani flushed...soon.
 
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