What would cause the radio and antenna to stop working on 2001 4runner?

The radio and antenna in a 2001 Toyota 4Runner may stop working due to several potential issues, such as a blown fuse, a malfunctioning radio unit, or a damaged antenna. Electrical problems, like frayed wiring or poor connections, can also impact functionality. Additionally, a faulty antenna motor or an obstruction could prevent the antenna from extending properly. Diagnosing the specific cause typically requires checking the fuse box, inspecting connections, and testing the radio unit.