transmission trouble on 1996 Chevrolet Lumina

I had to add a pint of trans fluid every week or so and now the transmission just quit upshifting is there a simple fix ?

Asked by for the 1996 Chevrolet Lumina
If the transmission is not shifting at all that could be caused by a blown fuse. Check the "TCC/CRUISE" fuse in the under hood fuse box #1. If the fuse is good and the fluid level is full that just about does it for the simple fixes.
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