Q: The climate control module is only showing the c and the f why? on 1996 Buick Park Avenue

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I even replaced it and it is doing the exact same thing what is wrong with it or is it something else?
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my 19096 buick park avenue AC blows out the defrost and floor only and will not change over to dash vents what can be done to fix
Auto or manual system: possible dash control unit, control module, actuator motor or wiring problem. Scan test required, not DIY !