ac/heat will not change from floor to defrost on 2009 Toyota Corolla

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
will not switch from front to defrost mode
(1) Answer
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This unit completely electronic: needs to go to a repair facility to scan for codes and run function test to find the problem. Sorry not simple diagnosis.
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