UDIAG CR800 OBD2 Car Live Data/Code Reader

Simple & Reliable Engine Diagnostics for Everyday Use

The UDIAG CR800 is a straightforward OBD2 code reader designed for users who want quick and reliable access to engine diagnostics without unnecessary complexity. It is ideal for diagnosing check engine lights, monitoring live data, and confirming repairs, making it a practical tool for both DIY users and workshops.

Compact, easy to use, and built for plug-and-play operation, the CR800 gives you the essential information needed to keep your vehicle running properly while avoiding unnecessary trips to the mechanic.

Key Features

The CR800 focuses on core engine diagnostics with clear and usable data.

• Read and clear engine fault codes (DTCs)
• Turn off the check engine light after repairs
• View live data including fuel trim, temperature, and sensor readings
• Freeze frame data capture for fault conditions
• I/M readiness status for emissions checks
• O2 sensor testing and onboard monitor functions
• Retrieve VIN and basic vehicle information

Engine Diagnostics Made Simple

The CR800 communicates directly with the engine control unit to provide accurate fault information.

• Identify the cause of warning lights quickly
• Clear stored and pending codes
• Monitor system performance in real time
• Confirm repairs before returning to the road

Live Data & Monitoring

Real-time data helps you understand how your engine is performing.

• Monitor key parameters such as RPM, temperature, and fuel system data
• Detect issues that may not trigger fault codes
• Useful for both troubleshooting and general vehicle checks

Compatibility

The CR800 supports most OBD2-compliant vehicles using standard protocols.

Compatible with American, European, and Asian vehicles from approximately 2001 onwards.

Please ensure your vehicle is OBD2 compliant before purchasing.

User-Friendly Design

Built for ease of use in any environment.

• Plug-and-play operation via OBD2 port
• No batteries required, powered directly from the vehicle
• 2.8-inch colour display for clear data viewing
• Simple menu structure for quick navigation
• Compact and portable design

Why Choose the UDIAG CR800?

The CR800 is a reliable and affordable solution for basic engine diagnostics. It covers the core functions needed to diagnose and clear faults, monitor live data, and check emissions readiness without overcomplicating the process. Whether you are maintaining your own vehicle or need a simple scan tool on hand, it delivers dependable performance at a practical price point.