Why is my Chevy bolt usb port not working?

If the USB port on the Chevy Bolt is not working then there may be something wrong with the contact plate, they can get damaged easy, or the USB is not getting power. In its basic form the car USB charger can be used to charge a host of devices from smartphones and tablets to power banks and even certain models of camera. It is worth remembering, though, that the cigarette lighter/accessory port on the car is only active when the engine is running.When a car stereo comes with a built-in USB port, it will typically be wired to provide power in addition to a data connection. While data connectivity is the primary purpose of the port, thiS-TYPE of car Audio USB connection can also be used to charge Your phone or power up other USB devices.