
When it comes to vehicle diagnostics, not all scan tools are created equal. Whether you're a DIY enthusiast, a professional mechanic, or running a busy workshop, understanding the difference between OBD2 scanners and OEM-level diagnostic tools is critical for choosing the right equipment.
🚘 What Is an OBD2 Scanner?
OBD2 (On-Board Diagnostics II) is a standardized system found in most vehicles manufactured from 1996 onwards. OBD2 scanners allow users to:
- Read and clear engine fault codes
- Monitor live data (e.g., RPM, fuel trims, O2 sensors)
- Check emissions readiness
- View freeze frame data
🔧 Best for: Car owners, hobbyists, and workshops needing quick diagnostics on engine and basic systems.
✅ Recommended OBD2 Tool from Fairtools:

🔹 Launch U200 OBD2 Scanner – Compact and reliable diagnostic tool for reading engine codes, clearing faults, and view data stream. Ideal for home users and small workshops in NZ and Australia. Convenient to carry, plug and play, connect to PC for lifetime free software upgrades.

🔹 Autel AL539B 3-in-1 OBD2 Scanner – Multifunctional diagnostic tool combining OBDII code reading, multimeter functions, and 12V battery testing(Diagnose battery health, starter, and charging system status). Perfect for both mechanics and serious DIYers.
🛠️ What Is an OEM-Level Scanner?
OEM (Original Equipment Manufacturer) or OE-Level scanners go far beyond standard OBD2 tools. These scanners provide dealer-level diagnostics, allowing access to:
- ECU coding and programming
- Key & immobilizer functions
- Advanced resets (EPB, SAS, DPF, TPMS, Injector coding, etc.)
- Bi-directional controls (actuation tests)
- Topology mapping
- ADAS calibration (on select models)
🔧 Best for: Professional workshops, auto electricians, and diagnostic specialists.
💡 Top OEM-Level Scanners at Fairtools:

🔹 LAUNCH X431 PRO3 LINK Smartlink V1 – Professional-grade diagnostic scanner with Smartlink remote diagnosis, full system coverage, bi-directional, ECU coding, topology mapping, 39 service functions. Ideal for advanced workshops.

🔹Autel MaxiIM IM508S –Professional Key Programming Tool and supports all system diagnosis, active test, 28 service functions, etc. Ideal for workshops and locksmiths in NZ & AU
🧰 Not Sure What You Need?
At Fairtools, we understand that every customer has different diagnostic needs. Whether you’re just starting or upgrading your workshop, we’re here to help you select the right tool for your workflow and vehicle coverage.
👉 Contact us via our contact form or Live Chat, and let our experienced team help you choose the perfect fit.
💬 Final Thoughts
If you’re only diagnosing basic engine issues or want something portable for quick checks, an OBD2 scanner will serve you well. However, if your business relies on deep diagnostics, coding, and key programming, stepping up to an OEM-level scanner is the smart investment.