Car diagnostics

Car Diagnostics turns your Android device into a professional-grade OBD-II vehicle scanner. Connect via Bluetooth to any ELM327-compatible adapter and access real-time engine data, read and clear diagnostic trouble codes (DTC), and monitor your vehicle's health — all completely offline with no internet required.

KEY FEATURES

Bluetooth OBD-II Connection
- Compatible with all ELM327 Bluetooth adapters
- Automatic device discovery and connection management
- Supports all major OBD-II protocols (ISO 9141-2, ISO 14230-4 KWP, ISO 15765-4 CAN, SAE J1850 PWM/VPW)

Real-Time Engine Monitoring
- 30+ supported OBD-II PIDs including RPM, vehicle speed, coolant temperature, fuel level, intake air temperature, MAF, throttle position, timing advance, oxygen sensors, load value, and many more
- Live numerical displays with configurable refresh rate
- Interactive line chart visualization for real-time data trends

Diagnostic Trouble Codes (DTC)
- Read and display both active and stored diagnostic trouble codes
- Built-in database of 110+ DTC descriptions covering powertrain, chassis, body, and network codes
- Search DTC codes by code number or description
- Clear DTC codes directly from the app
- Supports generic (P0xxx, P1xxx) and manufacturer-specific codes

Scan History
- Automatic saving of all diagnostic sessions
- View, search, and delete past scan records
- Each record preserves DTC codes, parameters, and timestamps

Full Offline Operation
- Complete built-in OBD-II PID library — no online database queries
- Comprehensive DTC code database included in the app
- 100% functional without internet access

Visual Design
- Clean, modern interface built with Ionic Angular
- Automatic dark/light mode — follows your system theme
- Real-time charts powered by Chart.js

PRIVACY & SECURITY
All data stays on your device. No accounts, no sign-ups, no data collection, no internet transmission. Your vehicle information remains completely private.

REQUIREMENTS
- Android device with Bluetooth support
- ELM327 Bluetooth OBD-II adapter (sold separately)