B25 Bluetooth OBD2 Scanner Adapter for iOS and Android

The B25 is a compact and powerful Bluetooth OBD2 scanner adapter designed for wireless vehicle diagnostics and real-time data monitoring. Equipped with Bluetooth BLE 5.1 technology, it ensures fast, stable, and energy-efficient communication with mobile devices while maintaining broad compatibility with vehicles and diagnostic apps.

Powered by the YM1140 main control chip, the B25 supports a wide operating voltage range and is suitable for 12V gasoline vehicles, selected electric vehicles, and 24V systems. Its ultra-low power consumption and intelligent sleep mode make it ideal for long-term in-vehicle use.

Key Features

• Bluetooth BLE 5.1 (backward compatible)

• One-click connection without manual Bluetooth pairing

• Works directly with diagnostic apps

• Ultra-low operating current for energy efficiency

• Automatic sleep mode after inactivity

• Compact design with three-color LED status indicators

• Free wireless firmware upgrades via YMOBD software

LED Indicator Status

• Red: Power on

• Blue: Connected to mobile phone

• Green: Actively communicating with vehicle ECU

Diagnostic & Monitoring Functions

Smart Dashboard & HUD

• Real-time display of vehicle speed, engine RPM, coolant temperature, battery voltage, and fuel consumption

• Customizable dashboard items (fuel pressure, intake manifold pressure, hybrid battery level, and more)

• HUD display support and night mode UI

Fault Code Diagnostics

• Read, parse, and clear vehicle DTC fault codes

• Built-in fault code database with extensive coverage

• Malfunction Indicator Light (MIL) status monitoring with time and mileage statistics

Full ECU Diagnostics

• Supports Unified Diagnostic Services (UDS)

• Full system diagnostics for supported brands, including Mercedes, BMW, Porsche, Volkswagen, Toyota, Ford, Mazda, Nissan, and Hyundai

• Covers multiple vehicle modules such as ABS/ESP, TPMS, steering systems, and more

• Continuous updates for new vehicles and functions

Live Data Stream & Analysis

• Access up to 88 types of live vehicle data streams

• Supports real-time curve graphs, data storage, and playback

• Includes freeze frame data and full vehicle frame records

Advanced Vehicle Information

• Read VIN, CALID, CVN, ECU, ESN, and additional vehicle identifiers

• One-click full vehicle scan with comprehensive data statistics

• Diagnostic readiness status and specific monitor results

Trip & Performance Analysis

• Trip statistics: distance, duration, average speed, and fuel consumption

• Historical driving records

• Vehicle performance tests, including acceleration, braking, and distance performance

App & Language Support

• Works with software (displays product model and logo)

• Compatible with third-party apps such as Car Scanner and Torque

• Supports 25 languages and automatically matches the phone system language

Protocol Support

The B25 supports all 9 standard OBDII protocols for gasoline passenger vehicles, including CAN, ISO, and SAE standards, ensuring wide vehicle compatibility.

Vehicle Compatibility

• Designed for 12V gasoline vehicles

• Supports selected electric vehicles

• Compatible with 24V systems

• Suitable for most vehicles supporting OBD2 standards