Where is iac valve on 01 Yukon?

The Idle Air Control (IAC) valve on a 2001 GMC Yukon is typically located on the throttle body, which is situated on the intake manifold. It is usually mounted on the side or top of the throttle body and can be identified by its electrical connector and the small port leading to the intake. To access it, you may need to remove the air intake duct and other components for better visibility and reach. Always consult a service manual for specific details and diagrams.