TOPDON 10.1" Bidirectional OBD2 Scanner
ONE Lite
Dealer-level diagnostics now within reach. Full-system scanning across 120+ brands, AI-powered repair guidance, and advanced diagnostic functions support — all in one tool.
ECU Coding, Bidirectional Control,Topology Mapping, J2534 Pass-Thru Programming & 52 Services
The TOPDON ONE Lite combines rapid, accurate diagnostics with comprehensive system coverage and dealer-level capabilities. Its intelligent repair guidance, network mapping, and advanced communication protocols — supported by Wi-Fi communication — ensure efficient workflow for technicians.
Key Highlights at a Glance
Full-System Diagnostics
Covers 120+ vehicle brands with complete module scanning for fast, accurate fault detection across all ECUs.
Dealer-Level ECU Coding
Perform ECU coding, module matching, and component initialization with OE-level control — now supporting 10+ brands.
Bidirectional Control
Allowing technicians to directly interact with the vehicle’s ECU, actively triggering actuators to verify component function without disassembly.
Security Gateway Access
FCA SGW, VAG SFD, Renault SGW and Nissan SGW. Please select a subscription plan that best fits your needs.
J2534 Pass-Thru Programming
It allows you to use official brand software for repairs and programming, so you no longer need to buy costly factory-specific tools.
52 Maintenance Functions
Oil reset, EPB, DPF regeneration, ADAS calibration, and more — all essential service tasks, zero subscription fees.
OE-Level Topology Mapping
It quickly spots module problems, making it as easy and accurate to find faults as following a GPS map.
TopFix AI
AI-assisted diagnostics for a simpler, more convenient workflow.
Speed & Performance
HardwareThe TOPDON ONE Lite uses dual Wi-Fi modules to maintain stable communication and high-speed data transfer between the tablet and VCI. This design provides a more responsive experience than Bluetooth-based connections, especially during system scans, live data viewing, and coding operations.ONE Lite also features Bluetooth connectivity for ultimate convenience.
Wi-Fi communication delivers data transfer up to 20× faster and ECU communication up to 3× quicker than traditional Bluetooth connections.
8-Core CPU: The 2.0 GHz 8-core processor handles multi-system scans, coding operations, and large volumes of live data without delays. The added processing power keeps the interface responsive during complex or extended diagnostic workflows.
ECU Coding & Module Configuration
Dealer-LevelThe TOPDON ONE Lite gives technicians dealer-level control over coding tasks. Adjust vehicle settings, match new modules, initialize components, and access features that typically require OE tools. It’s a straightforward way to handle replacements, personalization, and system updates with confidence.
J2534 Pass-Thru Support for OEM Programming
OEM ProgrammingThe included ONE VCI supports the J2534 standard, allowing it to function as a pass-thru device when paired with OEM diagnostic software. Through TOPDON’s RLink platform, you can perform dealer-level programming and coding, expanding in-house capabilities without investing in multiple factory tools.
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RLink Platform
J2534-compliant pass-thru device
Visual Intelligence
OE-Level Topology: Full Network View for Faster Diagnosis
The TOPDON ONE Lite presents a clear, OE-style map of every module on the vehicle, showing how systems communicate and where faults appear. See interconnections, active DTC counts, and highlighted trouble areas at a glance so you can pinpoint issues with confidence and keep the workflow moving.
AI-Powered
TopFix AI: Integrated Fault Data and Repair Guidance
TopFix AI is a built-in artificial intelligence that interprets fault codes and streamlines the diagnostic process. It provides clear fault code explanations, likely causes, related symptoms, and structured repair steps in one view. When available, wiring diagrams and technical references appear alongside the data so technicians can move directly from fault identification to corrective action.
52 Services & Bidirectional Control
52+ Real Functions. Zero Subscriptions.
The TOPDON ONE Lite supports more than 52 maintenance functions, including resets, adaptations, and calibrations used in routine service work. Functions include Oil/BMS/EPB resets, DPF regeneration, Dynamic ADAS calibration, camshaft learning, relative compression, and other system-specific procedures needed in daily repair operations.
Oil Reset
Throttle Adaptation
Brake Pad Reset
ABS Bleeding
SAS Reset
DPF Regeneration
Injector Coding
BMS Reset
TPMS Reset
Airbag Reset
Sunroof Initialization
Seat Calibration
Window Calibration
Suspension Matching
AdBlue Reset
A/F Ratio Reset
NOx Sensor Reset
STOP/START Reset
AFS Headlamp Reset
Gear Learning
Language Change
Transport Mode Deactivation
GPF Regeneration
Gearbox Reset
EGR Relearn
Electronic Water Pump Activation
Tire Modification
Cylinder Balance Test
Turbocharger Matching
Odometer Calibration
EEPROM Read/Write
Clutch Adaptation
Speed & Power Tuning
FRM Reset
High-Voltage Battery Reset
Cruise Control Calibration
A/C Relearn
Rain/Light Sensor Calibration
Control Module Reset
Relative Compression Test
High-Voltage Power Off/On
Coolant/Refrigerant Change
Resolver Sensor Calibration
Camshaft Relearn
VIN Read/Write
Personalization Settings
Motor Angle Position Sensor Calibration
Compressor Test
OBC Test
DC/DC Converter Test
48V Mild-Hybrid Components
Dynamic ADAS Calibration
Bidirectional Control (Active Test)
You can send control commands directly to the vehicle, like forcing the fuel pump on or off, without even starting the engine or taking anything apart. By getting instant feedback, it helps you quickly check if a part is broken and find the exact problem.
CAN-FD, DoIP & J2534
The TOPDON ONE Lite supports J2534, CAN-FD and DoIP communication protocols for compatibility with newer vehicle networks. Coverage includes 2013+ BMW, 2016+ VW and Volvo, 2017+ Jaguar, 2018+ Mercedes-Benz, 2020+ GM and Chrysler models, and other systems that rely on advanced communication standards.
Security Gateway Access: Fully Diagnose Newer Vehicles
The TOPDON ONE Lite supports authorized access for FCA, Renault, Nissan, and other SGW-equipped models. Gain access to coding, active tests, clearing codes, and system-level service functions on supported vehicles. Compatibility includes current and upcoming SGW implementations.
Note: Subscription required for SGW-protected systems.
Full-System Diagnostics & Reporting
120+ BrandsComplete Module Scans
The TOPDON ONE Lite performs full-system scans across more than 120 vehicle brands, including reading and clearing fault codes, checking system status, and reviewing module communication. The broad coverage supports comprehensive diagnostic work across a wide range of makes and models.
Live Data Display: Multi-Parameter Viewing
View up to 12 live parameters simultaneously for easier comparison. Sorting and grouping options allow technicians to analyze sensor behavior and system performance with clarity during diagnostic work.
Diagnostic Reporting
The TOPDON ONE Lite generates structured diagnostic reports that include fault codes, module status, and test results. Save and share reports with customers or internal teams for documentation and repair planning.
Technical Specifications
| Tablet Specifications | |
|---|---|
| CPU | 8-core processor, 2.0 GHz |
| Memory | 4 GB RAM |
| Storage | 128 GB ROM |
| Display | 10.1-inch LCD, 1280 × 800 |
| Battery | 10,000 mAh (3.8V), PD fast charging (5V/3A, 9V/3A, 12V/2.5A) |
| Camera | 8 MP rear camera with flash, 77.1° FOV, autofocus |
| Bluetooth | Bluetooth 5.0 (range: 33 ft / 10 m) |
| Wi-Fi | Dual Wi-Fi modules, STA/AP modes; 2.4 GHz 802.11 b/g/n; 5 GHz 802.11 a/n/ac |
| I/O | Power button, USB-A (host), USB-C (host/device) |
| Sensors | Ambient light sensor, temperature sensor, acceleration sensor (G-sensor) |
| OS | Android 12.0 (closed system) |
| Operating Temp | −10°C to 50°C (14°F to 122°F) |
| Storage Temp | −20°C to 70°C (−4°F to 158°F) |
| Dimensions | 311 × 207 × 39 mm (12.24 × 8.15 × 1.54 in) |
| Weight | 1,574 g (3.47 lb) |
| VCI Specifications | |
|---|---|
| Bluetooth | 5.0 (range: 33 ft / 10 m) |
| Wi-Fi | AP mode; 802.11 b/g/n; 2.4 GHz; 2T2R; 300 Mbps |
| Operating Temp | −10°C to 50°C (14°F to 122°F) |
| Storage Temp | −20°C to 70°C (−4°F to 158°F) |
| Dimensions | 114.8 × 51.0 × 29.0 mm (4.52 × 2.00 × 1.14 in) |
| Weight | 96 g (3.39 oz) |
What's in the Box
✓ TOPDON ONE Lite Tablet
✓ ONE VCI
✓ Charger
✓ Diagnostic Extension Cable
✓ USB-C to USB-C Cable
✓ USB-A to USB-C Cable
✓ Quick User Guide
✓ Product List
✓ EVA Carrying Bag
✓ Packaging Box
