shifts in all gears except reverse on 2001 Chevrolet Suburban 1500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
no warning, just did not work any more replaced module on transmission, no help.
(2) Answers
(1) Comments
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Reverse is controlled by the manual valve and not any of the electronics. If that gear is missing you have an internal component failure and you will need to see a transmission shop.
Not that I wanted to here but was what I thought also. Daughter had bought new part so I put it on
because parts store told her that was the problem, did not help. I thank you for your advice.
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