UDIAG A500NZ All Makes/All Systems Scan Tool

Stahlcar UDIAG Diagnostic Range

All-Makes Full-System Diagnostics in a Practical Handheld

The UDIAG A500NZ is a capable all-makes scan tool for serious home users, mobile mechanics and smaller workshops. It provides full-system diagnosis, live data, bi-directional active tests and a broad service-function package without moving to a large tablet.

The NZ edition includes three years of software updates and coverage for American, European, Asian and Australian vehicles, including supported Holden and Australian Ford models.

Key Features

• All-makes full-system diagnostics
• Read and clear codes across supported modules
• Live data and freeze-frame information
• Bi-directional active tests
• Selected coding and adaptation procedures
• 37+ service and maintenance categories
• OBD1 and OBD2 coverage where supported
• Three years of software updates included
• Protective carry case

Selected Coding and Adaptations

The A500NZ supports selected configuration, matching and adaptation procedures where the vehicle software allows them. It is not a universal ECU programming or software-flashing tool.

Software Update Costs

Included: Three years of software updates.

Optional renewal after that: USD $50 for one year.

The A500NZ continues to operate with its installed software if you do not renew.

Price checked 23 July 2026. UDIAG controls future renewal pricing.

What’s in the Box

• UDIAG A500NZ diagnostic tool
• Main OBD diagnostic cable
• User manual
• Protective carry case

Is This the Right Scan Tool for You?

Choose the A500NZ if you want all-makes, all-system diagnostics and active tests in a simple handheld.

Choose the X-50NZ if you prefer a wireless tablet, larger screen and more workshop-focused hardware.