CarPulse: OBD2 Scan Tool
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Description
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.