Topdon ONE Professional Diagnostic Scan Tool

The Topdon ONE is a powerful next-generation diagnostic scan tool designed for professional workshops and serious technicians. Delivering dealer-level diagnostics, advanced ECU coding, and high-speed performance, it bridges the gap between entry-level tools and flagship systems.

NEW FEATURE UPDATE

ECU Coding coverage expanded from 3 brands to 10 brands
Driver Preference / One-Click Customization expanded from 3 brands to 7 brands

Enhanced Coding & Customization

The TOPDON ONE now provides ECU Coding support for up to 10 vehicle brands and One-Click Customization (Driver Preference) for up to 7 vehicle brands. Easily enable comfort features, lighting functions and vehicle personalization options without manual coding.

Dealer-Level Diagnostics Made Simple

With full system diagnostics across 120+ vehicle brands, the Topdon ONE allows you to read and clear codes, perform active tests, and access live data from all major vehicle systems including engine, transmission, ABS, SRS, and more.

Built-in topology mapping displays the entire vehicle communication network, helping you quickly identify faults and reduce diagnostic time.

Advanced ECU Coding & Customisation

• Module replacement & matching
• System adaptation & configuration
• One-click coding (BMW, Mercedes-Benz, VW)
• Personalisation of vehicle features

Perform advanced functions without needing expensive OEM tools.

50+ Service & Maintenance Functions

• Oil reset
• EPB reset
• Battery (BMS) reset
• DPF regeneration
• SAS calibration
• Throttle relearn
• Injector coding
• ADAS calibration support

Designed to cover the most common workshop service tasks.

Built for Speed & Performance

• 8-core processor for fast diagnostics
• Dual WiFi connection (faster and more stable than Bluetooth)
• Smooth live data streaming
• Reliable VCI communication

Latest Vehicle Protocol Support

• CAN-FD support (GM, Chrysler & newer vehicles)
• DoIP support (BMW, Mercedes-Benz, VW, Volvo, Jaguar)
• Secure Gateway access (FCA, Renault, Nissan etc.)

J2534 Pass-Thru Capability

The Topdon ONE includes J2534 functionality, allowing you to perform OEM programming when required.

Hardware Specifications

• 10.1” HD touchscreen
• Android operating system
• 4GB RAM / 128GB storage
• 10,000mAh battery
• WiFi & Bluetooth connectivity

Software Updates

• 2 Year FREE updates included
• Optional renewal available
• Regular coverage updates

Topdon ONE Comparison – Lite vs ONE vs ONE Plus

Key Features Summary

• Full system diagnostics
• ECU coding & customisation
• Topology mapping
• 50+ service functions
• J2534 pass-thru capability
• CAN-FD & DoIP support
• High-speed WiFi connection

Ideal For

• Professional workshops
• Auto electricians
• Busy repair shops
• Advanced DIY users

The Topdon ONE delivers powerful diagnostics, fast performance, and advanced functionality, making it the perfect choice for workshops that need reliable, dealer-level capability without the high-end price tag.

12 Months

Free Shipping NZ Wide On Orders Over $129

Fast Dispatch !! All products That Are in Stock Ship Within 24 Hours

Click & Collect Within 2 Hours