Scan and clear engine fault codes and display their meanings from a database of over 3000 general code definitions. Identify the problem and help you take corrective action, saving time and money. Clear the error codes and turn off the MIL (Check Engine indicator light) after repairs to restore normal dashboard status. Display current engine data, including engine revolutions per minute (RPM) for realtime performance insight. Broad compatibility: suitable for most US cars from 1996 and newer, EU and Asia cars from 2000 and newer, and all vehicles with OBD II and CAN networks, whether domestic or imported. Practical use scenarios: You see a Check Engine light and want to quickly read the fault code to understand the issue before visiting a . You are performing routine maintenance and want to monitor current engine data such as RPM to verify proper operation after repairs. You own multiple vehicles and need a single tool to read codes, interpret meanings, and clear codes to keep dashboards clean and up to date.