Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

In order to use Code Reader, as the Etherscan tool is called, users need to connect to OpenAI's API and have sufficient usage limits.

You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read barcodes.