CarPulse: OBD2 Scan Tool

Your check engine light is on. CarPulse tells you what it means — in plain English, for free. Plug any ELM327 Bluetooth adapter into your car's OBD2 port and CarPulse reads the fault codes, explains what's actually wrong, tells you how serious it is, and shows whether it's safe to keep driving. FREE FOREVER — NO ACCOUNT, NO TRIAL Reading diagnostic trouble codes. Plain-English explanations. Severity ratings. Live sensor data from 20+ engine parameters. Clearing codes and resetting the check engine light. All free, permanently. No sign-up, no email, no credit card. INSTANT CHECK ENGINE LIGHT ANSWERS Stop guessing and stop googling code numbers. CarPulse translates every DTC into a clear explanation — common causes, symptoms, severity, and what to do next. LIVE SENSOR DATA Watch RPM, coolant temperature, fuel pressure, throttle position, engine load and more update in real time while you drive. Free, not paywalled. CLEAR CODES AND RESET THE LIGHT Fixed the problem? Clear the codes and turn off the check engine light yourself, without a trip to the shop. COMPREHENSIVE DTC DATABASE Look up any of 100,000+ diagnostic trouble codes with detailed explanations and repair guidance — works offline, and works even without a scanner connected. WORKS WITH ANY OBD2 ADAPTER Compatible with any Bluetooth Low Energy ELM327 adapter — Vgate, Veepeak, BAFX, OBDLink, Konnwei, LELink and more. Every car sold from 1996 onward has an OBD2 port. No proprietary dongle to buy. PREMIUM — WHEN YOU WANT MORE Upgrade only if you want the extras: • Repair cost estimates so you know fair prices before visiting a mechanic • Smart maintenance schedules and reminders based on your mileage • Issue forecasting to catch problems before they become breakdowns • Freeze frame data captured at the moment a fault triggered • Sensor logging and history graphs over time • Unlimited vehicle profiles for the whole family • Emissions readiness pre-check before a smog test PREMIUM+ ADDS • Vehicle health reports you can share or print • Data export • Extended scan history • Priority support VEHICLE HEALTH SCORE A single 0-100 score summarising your car's condition from active fault codes and overdue maintenance. NEARBY MECHANICS Find auto repair shops, oil change centres and tire shops near you when you need a professional. CarPulse is built for drivers, not technicians. If you've ever been quoted a repair you didn't understand, this is the app that lets you walk into the shop already knowing what's wrong. Note: CarPulse requires a separate Bluetooth OBD2 adapter, which is not included. Any standard ELM327 BLE adapter will work.