Where is the a /c and heat selector module?

on 2003 Ford Ranger

On my 2003 ford Ranger, I am unable to get the heat and a/ c to shift using the controls. Stays on defrost.

Asked by for the 2003 Ford Ranger
behind the right air bag (use extreme caution to not BEPLOY the air bag ) serious injury can occur
Can I replace it without
pulling the dash panel