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Topdon Ultradiag

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  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
  • Topdon Ultradiag
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2-in-1 Diagnostic Scanner and Key Programmer Tool

The TOPDON UltraDiag is a well-rounded diagnostic tool with added key programming features.  The UltraDiag is capable of performing full OBD2 capabilities, accessing 8 commonly used maintenance services, and supports full-system diagnostics for 40+ car brands all over the world. Stepping into more advanced functions, the diagnostic scanner includes features such as the Repair Data Library to quickly get started on auto repair jobs and bidirectional controls to locate the faulty parts accurately.

This powerful tool can act as key matching tool to work on car keys and immobilizer systems. Functions include PIN reading, key learning, remote control learning, and all keys lost. These key programming functions add versatility to open many new streams of revenue. The perfect tool for repair shops and locksmiths.


The UltraDiag features a long-lasting 10000mAh battery to save technicians from repeated recharges throughout the day. Android 11.0 makes for a fast user interface and processing. Equipped with a USB-Type A port, users can connect the VCI to the tablet for more reliable data transfers when working on immobilizer systems. The HDMI port allows users to project the diagnostic process for demonstration and analysis purposes. The TF card expansion slot supports up to 128G of storage expansion.



Pro-Level OBD2 Code Reader

TOPDON’s Ultradiag works as an OBD2 code reader and performs all 10 modes of OBD2 testing free for life, allowing you to access crucial information on even more vehicles. It also supports full functionalities including reading DTCs, clearing DTCs, Live Data, I/M Readiness Monitor Status, View Freeze Frame Data, O2 Sensor Test, On-board Monitor Test, Evap Test, Read Vehicle Information, and DTC Look Up.

Full System Diagnostics for 60+ Brands
Get a complete diagnostic report on over 60 different car brands with the UltraDiag scanner. This powerful tool lets you perform a comprehensive scan through all vehicle systems, including engine, transmission, airbag, ABS, ESP, TPMS, immobilizer, gateway, steering, radio, and air conditioning. You'll have access to all the information you need to get your vehicle running smoothly again. No more guesswork - the UltraDiag scanner provides you with the complete picture of your car's health. 

Key Programming Tool

The UltraDiag's key programming add-on lets the tool work on 40+ vehicle brands. The upgrade boasts a variety of functions including Number of Keys, PIN Reading, Key Learning, Remote Control Learning, Delete Keys, and All Keys Lost.

Ultradiag + T-Darts 
  • Supports transponder identification, covering various key transponder types such as NXP, Megamos, Temic, TI, Silca, JMA, and K-JMD.
  • Supports frequency detection, covering 300-320MHz, 430-434MHz, 868MHz, and 900-915MHz frequency bands.
  • Supports transponder generating
  • Supports Key Writing via Dump Options

Repair Data Library

The UltraDiag provides a comprehensive maintenance information library and a repair guide to help newer technicians familiarize themselves with vehicle diagnosis.

DTC Repair Guide

The Ultradiag offers DTC Repair Guide to walk you through the processes and codes of vehicle diagnostics. After reading the fault codes, the Ultradiag can display the definition of fault codes and offer guidance in how to repair. It includes the fault code definitions for all systems, such as Dashboard, Air Conditioning, and more. Compatible with Chrysler/Dodge/Jeep/Fiat 2010-2014 for now(Compatibility expands as updates release).

Bi-directional Control

The UltraDiag scanner can get access to vehicle-specific subsystems and component parts that drive the actuators to perform a specific function. This determines the integrity of the system or parts, allowing users to analyze and locate faulty parts more accurately. Bidirectional control includes fuel injectors, coolant pumps, windows, windshield wipers, and more.

13 Reset Functions

The UltraDiag offers the 13 most commonly used reset functions of passenger vehicles: Oil Resets, Throttle Adaptation, EPB Resets, Steering Angle Resets, DPF Regeneration, ABS Bleeding, BMS Reset, Airbag Reset, Injector coding, Tire Pressure Reset, Sunroof Initialization, Seat Calibration and Windows Calibration.

AutoVIN & AutoScan: Streamlined for More Convenience
The UltraDiag comes with AutoVIN and AutoScan functions to streamline your repair progress and save diagnostic time. AutoVIN automatically identifies vehicle information such as make, model, and year of manufacturer. AutoScan detects all vehicle systems and retrieves DTCs easily.

Vehicle Coverage Lookup
Enter the vehicle information and function you would like to perform on a car, the Vehicle Coverage Lookup function can check whether the device is applicable to your vehicle. The Lookup Coverage supports 60+ brands.

VCI Bluetooth Wireless Diagnostics
The UltraDiag comes with a magnetic VCI that attaches to the back of the tablet for easy storage. Connecting the VCI to the vehicles via Bluetooth gives users ultimate flexibility in diagnosis.

Optional Battery Testing Capability

Users can pair the UltraDiag with TOPDON’s latest battery analyzer, the BTMobile ProS to monitor a car battery’s health wirelessly. This pairing turns the UltraDiag into a hi-tech battery testing tool.


Topdon Authorized Dealer is Topdon Authorized Dealer for United States and Australia. Products Created by Topdon ® Innovation & Quality You Can Trust.

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Free Worldwide Shipping

Where is my order shipped from?

We provide worldwide free shipping! And all orders will be shipped from the warehouse nearest to you and carried by DHL, FedEx, UPS, USPS, DPD, or Royal Mail according your address. Following is the location where our warehouse located at and estimate develiry date for reference.
Your Address Shipping Location Delivery Estimated
United States NJ, US 3-5 Days
Europe Germany 5-7 Days
United Kingdom Leicestershire, UK 5-7 Days
Australia Sydney, AU 7- 10 Days
Other Countries HongKong 7-15 Days

Order Processing Time

All our order are processed and shipped out within 24 hours (excluding weekends and holidays).
After the order is shipped out and received by the carrier, we will update you by email with a Track-and-Trace code with which you can follow your package and see the remaining shipping time.
Please allow 24-48 hours for the tracking information to update.

Shipping Address Change

If you would like to change the shipping address for your order, please contact us by email with the new shipping address. Once the order is shipped, we can not alter the shipping address anymore.
International Shipping Duties & Taxes
- For international order. If the items don't ship from your local warehouse in your country/ region, you, the customer, will be responsible for the import duty, but please don't worry, We will decrease the declared value to reduce your import tax.

Returns, Refunds, and Exchanges

We provide a 15-Day Returns Service after delivery, If you are not satisfied with the item you bought or change your mind, please contact us for a return shipping address and ship all the items back to us for a refund in their original package.
For more details of the return policy, please visit our
Return Policy
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