KONNWEI KW480 OBD2-EOBD Car Error Scanner Guide | How to Operate A versatile OBD2/EOBD scanner for diagnosing car problems is the KONNWEI KW480. Locate the OBD2 port on your car, which is typically located under the dashboard close to the steering column, before using it. Once the port has been located, attach the KW480 scanner. […]