Throttle Body Idle Air Flow Compensation Reset: Description
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Throttle Actuator Control (TAC) System Description
This procedure triggers the control module to learn the values of the component: Q38 Throttle Body - Airflow Adaptive Values