2005 1500 Sierra 4 Wheel Problems on 2005 GMC Sierra 1500

Replaced Transfer Case Encoder Motor on 2005 Sierra Pickup now it is in neutral and it will not shift from neutral,replaced switch inside cab also so what is next?

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2 answers
Transfer case module can be scanned to find the problem.
bring it to a tranny shop diagnostic run. tranny tech. will advise.