Stop guessing what's wrong with your car—the LAUNCH AIOBD Bluetooth OBD2 Scanner delivers professional-grade full-system diagnostics (engine, transmission, brakes, emissions) that translate complex error codes into plain-English insights so you understand your car's issues instantly. Free engine diagnostics (live data, freeze frame, smog checks) cover only check engine light issues—no subscription needed. For full-system access to ABS, SRS, AI-powered repair reports, and pro features like oil reset, TPMS reset, and ECU coding, subscribe to your vehicle's software at 20–40/year (priced per brand/model), unlocking immediate clarity on what's wrong, what to fix, and how much it costs—all via Bluetooth-connected iPhone/Android.