Where is the idle air control valve on my 2004 Cad.Deville? on 2004 Cadillac DeVille

My car is occasionally stalling at low speeds such as rounding a corner in town. I have cleaned the throttle body and installed a new TPS.

Asked by for the 2004 Cadillac DeVille
do you have a ck eng light on?
I found the IAC. Removed it and cleaned. Car seems to be doing fine now