Description
Overview
TOPDON UltraDiag combines full-system vehicle diagnostics with supported key and immobilizer functions in one professional tablet.
Key Features
- Full-system diagnostic tablet
- Vehicle-dependent key and IMMO functions
- Workshop-oriented standalone platform
- Advanced diagnostic functions on supported vehicles
Diagnostic Functions
- Full-system diagnostics for supported vehicles
- Read and clear fault codes and view live data
- Active tests / bi-directional control on supported systems
- up to 30 maintenance functions
- Supported key and immobilizer functions including PIN reading, key learning, remote-control learning and all-keys-lost procedures
- Repair Data Library and DTC repair guidance
- Wireless VCI connection
- Compatible with selected TOPDON accessories
Supported Systems
- Engine control module (ECM)
- Transmission control module (TCM)
- Anti-lock braking system (ABS)
- Supplemental restraint system (SRS / airbag)
- Body control module (BCM)
- Other installed control modules supported by the selected vehicle
Software & Updates
Software updates, online services and key or immobilizer functions follow the package supplied and activated with the device.
Package Contents
- TOPDON UltraDiag tablet
- Wireless diagnostic VCI
- OBDII cable and supplied adapters
- USB charging cable and power adapter
- User documentation
- Carrying case
- Packaging box
Compatibility notice: Vehicle coverage, accessible systems, maintenance functions, active tests, coding, programming, secure-gateway access and key/IMMO functions depend on the vehicle manufacturer, model, year, region, control-unit software, installed diagnostic software and active licences or subscriptions. Verify the exact vehicle and required function in TOPDON’s official coverage before purchase.
Important Information
Function availability depends on vehicle make, model, model year, market, configuration, installed control units, software version and active software package. Maintenance functions, active tests, ECU coding, programming, online functions, security-gateway access and key or immobilizer functions are not available on every supported vehicle. Verify coverage for the exact vehicle before ordering when a specific function is required.

















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