TOPDON UltraDiag Bidirectional Scan Tool & Key Programmer – Lifetime Free Updates
The TOPDON UltraDiag combines advanced key programming with full-system diagnostics and bidirectional controls in one versatile tool. Designed for repair shops, mobile technicians, and locksmiths, the UltraDiag provides full-system diagnostic coverage for 100+ vehicle brands, key programming capabilities for 40+ brands, advanced active tests, and 30+ service and reset functions.
Best of all, the UltraDiag now includes Lifetime Free Software Updates. There are no annual update subscriptions or renewal fees required.
Lifetime Free Software Updates
The TOPDON UltraDiag includes Lifetime Free Software Updates at no additional cost. Simply connect the tool to the internet and download available updates to receive the latest supported vehicle coverage, diagnostic functions, and software enhancements.
Advanced Key Programming for 40+ Brands
The UltraDiag includes key programming functionality for over 40 vehicle brands, including many Domestic and Asian vehicles. Supported functions vary by vehicle and may include:
Full-System Diagnostics for 100+ Vehicle Brands
Perform comprehensive diagnostic scans across supported vehicle systems, including:
- Engine
- Transmission
- ABS
- SRS/Airbag
- Immobilizer
- TPMS
- Steering
- Gateway
- HVAC
- Radio and other body/control modules
Read and clear trouble codes, view live data, and quickly identify faults throughout the vehicle.
Advanced Bidirectional Controls
The UltraDiag supports bidirectional controls and active tests, allowing technicians to command supported components directly from the scan tool. Depending on the vehicle, tests can include fuel injectors, coolant pumps, windows, windshield wipers, and other actuators.
Active testing helps verify whether a component and its control circuit are responding correctly, making it easier to pinpoint faults.
30+ Service and Reset Functions
The UltraDiag provides more than 30 maintenance and service functions for supported vehicles, including commonly used functions such as:
- Oil Reset
- EPB Reset
- Steering Angle Sensor (SAS) Reset
- ABS Bleeding
- Battery Management System (BMS) Reset
- DPF Regeneration
- Throttle Adaptation
- Airbag Reset
Available functions vary by vehicle.
Secure Gateway Support
The UltraDiag supports Secure Gateway (SGW) access on some vehicles but it doesnot current support Autoauth.com. Invidiual token fees may be required.
Repair Data Library & DTC Repair Guide
Built-in repair information helps technicians move from trouble code to diagnosis faster.
- DTC Repair Guide: Displays fault-code definitions and repair guidance.
- Technical Service Bulletins: Access applicable TSB information by vehicle.
- DLC Locations: Quickly locate vehicle diagnostic connectors.
- Warning Light Library: Provides descriptions, possible causes, driving impact, potential solutions, and related information for dashboard warning lights.
Complete OBDII Diagnostics
The UltraDiag also provides comprehensive OBDII functionality for emissions-related diagnosis, including:
- Read and Clear DTCs
- Live Data
- I/M Readiness
- Freeze Frame Data
- O2 Sensor Tests
- On-Board Monitor Tests
- EVAP Tests
- Vehicle Information
- DTC Lookup
- AutoVIN & AutoScan
- CAN FD Support
- Bluetooth Wireless Diagnostics
Optional Wireless Battery Testing
Pair the UltraDiag with the compatible TOPDON BTMobile ProS battery analyzer to perform wireless battery testing and evaluate vehicle battery health directly through the UltraDiag.
What's Included
- TOPDON UltraDiag
- Bluetooth VCI
- OBDII Extension Cable
- Power Adapter
- USB Type-A to Type-C Cable
- User Manual
- Quick User Guide
- Carrying Case
- Lifetime Free Software Updates
- 1-Year Warranty
Note: Diagnostic, bidirectional, service, secure gateway, and key programming capabilities vary by vehicle make, model, year, and configuration. Check current TOPDON coverage before purchasing for a specific application.