OBD2 Car Scanner Pro ELM327
Check Engine Light AI Doctor
About
Transform your OBD-II adapter into a powerful car diagnostic tool. Monitor live engine data, read and clear diagnostic trouble codes, and gain insights into your vehicle's health. Includes AI analysis for potential causes and performance testing features.
What's New in OBD2 Car Scanner Pro ELM327
1.0.7
September 29, 2026
Some improvements and bug fixes.
Subscriptions & In-App Purchases
Pro Yearly
Full diagnostic toolkit, billed yearly.
Developer apps
FAQ
What vehicles are compatible with OBD2 Car Scanner Pro ELM327?
The app is compatible with vehicles that have an OBD-II port and support a compatible Wi-Fi or Bluetooth LE ELM327-style OBD-II adapter. Compatibility also depends on the adapter, vehicle, ECU, and the PIDs it supports. Classic Bluetooth adapters are not supported.
Does OBD2 Car Scanner Pro ELM327 have ads?
No, OBD2 Car Scanner Pro ELM327 is built to be honest and does not include ads. Your vehicle data and reports stay on your device.
What features are included in the free version of OBD2 Car Scanner Pro ELM327?
The free version includes adapter connection, an essential live dashboard, code reading, a basic readiness overview, one saved vehicle, oil-service tracking, one recording, and one PDF report.
What are the subscription options for OBD2 Car Scanner Pro ELM327?
OBD2 Car Scanner Pro ELM327 offers Pro Weekly for $4.99 and Pro Yearly for $29.99. These subscriptions unlock advanced features like AI analysis and unlimited recordings.
Can OBD2 Car Scanner Pro ELM327 work offline?
Yes, core diagnostics and on-device AI insights work with no internet connection. The app does not require an account and diagnostics work offline.
How does the AI analysis feature in OBD2 Car Scanner Pro ELM327 work?
The Pro version's AI analysis runs on your vehicle's data (codes, readiness, freeze frame, live values) to provide possible causes with reasoning and confidence levels. It prioritizes the cheapest and safest checks first.
What kind of performance tests can I run with OBD2 Car Scanner Pro ELM327?
You can perform tests such as 0–60 mph, 0–100 km/h, 0–200 km/h, 1/8 mile, 1/4 mile, and 100–0 braking. These tests are measured from GPS ground speed.
How often is OBD2 Car Scanner Pro ELM327 updated?
The latest version of OBD2 Car Scanner Pro ELM327 is 1.0.6, which was last updated on September 23, 2026. Updates typically include new features, bug fixes, and performance improvements.
