Dual-mode 5.1 Bluetooth Auto Fault Detector OBD2 Scanner Code Reader with ELM327 Chip for Android Windows iOS Smartphone Laptop Diagnostic Tool ELM327 Mini V2.1 Version
Dual-mode 5.1 Bluetooth Auto Fault Detector with ELM327 Chip for Smartphone Vehicle Diagnostics

This Bluetooth OBD2 scanner provides professional-grade vehicle diagnostics through your smartphone or laptop. The compact device connects wirelessly to read fault codes, clear check engine warnings, and monitor real-time engine performance data. With compatibility across Android, Windows, iOS, and Symbian systems, it serves as a practical alternative to garage diagnostic equipment for home mechanics and car owners wanting to understand their vehicle's health.
Features and Construction

The scanner incorporates an ELM327 chip (ELM327 Mini V2.1 version) that communicates with your vehicle's onboard computer system. Its dual-mode operation supports various diagnostic protocols through compatible software applications.
Material and Build
Constructed with electronic components designed for automotive environments, the scanner operates at temperatures from -40℃ to 85℃ and withstands humidity below 60%. The ELM327 chip processes diagnostic data while the Bluetooth module enables wireless connectivity to your devices.
Size and Practical Fit
Measuring 45mm x 25mm x 65mm, the compact design fits easily in glove compartments or toolboxes. Its low power consumption (35mA operating current, 25mA standby) ensures minimal drain on your vehicle's electrical system when connected to the OBD2 port.
Uses and Placement

This diagnostic tool serves both professional and home automotive applications, providing access to engine data that was previously only available through garage equipment.
Event or Professional Use
Mechanics and automotive technicians can use the scanner for quick preliminary diagnostics before detailed inspection. The ability to read manufacturer-specific codes alongside generic fault codes provides targeted troubleshooting information for various vehicle makes and models.
Everyday Home Use
Car owners can monitor their vehicle's performance between services, checking engine parameters like coolant temperature, fuel system status, and oxygen sensor readings. When the check engine light appears, the tool helps identify whether the issue requires immediate attention or can be addressed later.
Benefits and Buying Value

The scanner offers practical advantages through its compatibility with existing devices and comprehensive diagnostic capabilities at a fraction of professional tool costs.
Reuse and Low Maintenance
With no consumable parts and durable construction rated for harsh automotive environments, the scanner requires no ongoing maintenance. Its compatibility with multiple software platforms means it remains useful as you upgrade your smartphone or computer systems.
Why Choose This Product
This ELM327-based scanner provides access to detailed engine diagnostics without specialist equipment. The ability to display sensor data including engine speed, calculated load, intake manifold pressure, and throttle position gives you visibility into your vehicle's operation that basic code readers cannot provide.




