TOPDON TopScan Master OBD2 Diagnostic Scanner with Bluetooth, Full System Car Diagnostics Tool with Bi-Directional Control and Service Functions

Professional diagnostics, AI-powered repair guidance, and full vehicle access, all from your smartphone.

The TOPDON TopScan Master is a next-generation diagnostic tool designed for workshops, mobile mechanics, and serious DIY users. It delivers full-system diagnostics, bi-directional control, 30+ service functions, and advanced features like DOIP, SGW access, and TopFix AI, giving you deeper insight, faster troubleshooting, and smarter repairs.
 

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Key Features

• TopFix AI Assistant: AI-driven fault analysis with step-by-step repair guidance and technical insights
• Full System Diagnostics: Access all ECUs including engine, transmission, ABS, airbag, BCM and more
• Bi Directional Control: Actively test components like injectors, windows, mirrors, fuel pumps and more
• DOIP Protocol Support: Diagnose newer vehicles with faster communication and deeper access
• SGW Gateway Access: Supports FCA, Renault and Nissan secure gateway diagnostics
• Wireless Bluetooth Operation: Diagnose vehicles without cables using your smartphone
• NFC Quick Installation: Tap your phone to instantly download and install the app without searching

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Functions

• Read and clear diagnostic trouble codes across all systems
• AutoVIN automatic vehicle identification
• AutoScan full system scan in one click
• Live data stream with multi-graph display
• Freeze frame data analysis
• O2 sensor testing
• EVAP system testing
• On-board monitor testing
• Generate diagnostic reports and share results
• Record and replay live data for deeper analysis

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Full OBD2 Modes

• Read DTCs
• Clear DTCs
• Live Data
• I/M Readiness
• Freeze Frame
• O2 Sensor Test
• On-board Monitor Test
• EVAP Test
• Vehicle Information
• DTC Lookup

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Service Functions

• Oil Reset
• EPB Reset
• SAS Reset
• BMS Reset
• Throttle Relearn
• ABS Bleeding
• Injector Coding
• DPF Regeneration
• TPMS Reset
• Gearbox Matching
• Suspension Calibration
• Airbag Reset
• EGR Reset
• Immobilizer Functions (vehicle dependent)
• Window Initialization
• Sunroof Initialization
• Seat Calibration
• Headlight Calibration
• Transport Mode
• Language Change
• A/F Reset
• NOx Sensor Reset
• Start Stop Reset
• Cylinder Balance Test
• VGT Learning
• ODO Reset
• Water Pump Test
• Tire Reset
• Gear Learning
• More depending on vehicle

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Advanced Features

• TopFix AI: Fault code explanations with guided repair steps
• DTC Repair Guide: Detailed troubleshooting and solutions
• Technical Service Bulletins: Access manufacturer repair data
• Warning Light Library: Understand dashboard warning lights instantly
• DLC Location Guide: Quickly find OBD port locations
• Performance Testing: Measure 0 to 100, 1/4 mile and acceleration performance
• Volumetric Efficiency Test: Analyze engine airflow and efficiency
• Vehicle Health Reports: Generate before and after reports

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Real Time Data & Reporting

• Display up to 4 data streams simultaneously
• Visual graphs and dashboards for easier analysis
• Record and replay data sessions
• Generate and share professional diagnostic reports

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Connectivity and Operation

• Bluetooth 5.0 wireless connection
• NFC instant app pairing
• Works with Android and iOS devices
• Operate directly from smartphone app
• Over-the-air updates via app

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Technical Specifications

• Connection Type: Bluetooth 5.0
• Interface: OBD2 16 pin
• Supported Protocols: CAN, ISO9141-2, ISO14230-4, SAE J1850, DOIP
• Operating Voltage: 9V to 18V
• Working Temperature: -10°C to 50°C
• Storage Temperature: -20°C to 70°C
• Range: Up to 10 meters

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Compatibility

• Supports over 120 global vehicle brands
• Works on most vehicles from 1996 onwards
• Supports petrol and diesel vehicles
• Compatible with 12V vehicles
• Enhanced compatibility with newer DOIP vehicles

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What’s Included and Subscription Overview

Includes 1 Year of Full Access. The TopScan Master comes with 1 year of full software access, including all advanced diagnostic and service features.

After the first year, you can continue using core diagnostic functions for free, or optionally subscribe to unlock advanced features.

Always Free Features

• Engine Inspection (Full OBDII Functions)
• Full-System Code Reading and Clearing
• Full-System Live Data Streaming
• I/M Readiness Testing
• Vehicle Performance Testing (0–100, acceleration)
• VE Calculator (Engine Efficiency Testing)
• Basic Repair Information

Advanced Features (Subscription Required After Year 1)

• Bi-Directional Control (Active Tests)
• 30 Maintenance and Service Functions
• Secure Gateway Access (FCA, Renault, Nissan)
• TopFix AI Smart Repair Assistant
• Advanced Repair Guides and Technical Data

Flexible Subscription Options Available: Monthly, quarterly, or annual plans depending on your usage needs.

Even without a subscription, the tool remains fully functional for core diagnostics, making it a long-term, low-risk investment.

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What’s in the Box

• 1x TOPDON TopScan Master Diagnostic Device
• 1x User Manual
• 1x Packaging Box