OBD Car scanner ELM 327

Car Scanner turns your phone into a full OBD2 diagnostic tool and trip computer — connect any ELM327-compatible adapter over Bluetooth Classic, Bluetooth LE, or Wi-Fi and get instant access to your vehicle's live data and diagnostics.

LIVE DATA
• Dashboard with customizable analog-style gauges (RPM, speed, coolant temp, fuel level, and more)
• Selected Sensors — a live list view of the sensors you care about
• All Sensors — every PID your vehicle reports, all at once
• Create your own Custom PIDs with formulas for manufacturer-specific or advanced sensors

DIAGNOSTICS
• Read and clear stored, pending, and permanent trouble codes (DTCs)
• Freeze Frame data — the sensor snapshot captured when a fault occurred
• Mode 06 on-board monitoring test results
• ECU Info — VIN and protocol details
• Non-Continuous Monitors (emissions readiness) status
• Massive built-in DTC database — around 70,000 code descriptions across 50+ manufacturers (OBD-II generic plus brand-specific codes), so you get a real explanation, not just a code number
• One-tap search for any trouble code online for more detail

SERVICE & CODING
• Manufacturer-specific service resets and adaptation procedures

PERFORMANCE TESTS
• Speed Test — time your vehicle between any two speeds (e.g. 0–100)
• Eco Test — monitor driving efficiency in real time

TRIP RECORDING & STATISTICS
• Record drives in the background, with distance, average speed, fuel used, and estimated cost
• Review trip history with combined and per-sensor charts
• Fullscreen, landscape-friendly charts for a closer look at any drive
• Automatic recording on connect, or start/pause/stop manually
• Statistics page with totals across all your trips

GARAGE
• Manage multiple vehicles, each with its own calibration and trip history

CALIBRATION & SETTINGS
• Correct for non-stock tires/wheels with speed and fuel calibration offsets
• Metric or imperial units
• Light or dark theme
• Back up and restore all your data (garage, trips, settings, custom PIDs) to a file

NO ACCOUNT, NO CLOUD
All your data — trips, settings, custom PIDs — stays on your device. No sign-up, no mandatory internet connection for core features.

TRY IT WITHOUT HARDWARE
A built-in Demo Mode simulates a connected vehicle with realistic live data, so you can explore every screen before you even plug in an adapter.

Compatible with standard ELM327 OBD2 Bluetooth, Bluetooth LE, and Wi-Fi adapters. Works with any OBD-II compliant vehicle (most cars and light trucks sold since 1996 in the US, 2001+ for gasoline / 2004+ for diesel in the EU).

This app is supported by ads.