CR800 OBDII Code Reader
- Works with most 1996 and newer (OBDII& CAN) vehicles
- Test and display the voltage of battery.
- Automatic VIN acquisition and decoding
- Support print diagnosis report
- Multilingual menu options
- Advanced product design






Description
Accessories
Comparisons
Description
Description
CR800 is an easier entry-level car maintenance tool with One-Click I/M Readiness Key. It supports all 10 modes of OBDII test for a complete diagnosis. Its excellence performance will technicians save diagnosis and repair time.
Features
Entry-Level Accessibility With Professional Capabilities
The CR800 code reader combines intuitive operation for beginners with comprehensive diagnostic functions needed by professionals, creating exceptional value across user experience levels.
OBDII 10 Modes
This code reader supports all 10 OBDII test modes, including reading and clearing DTCs, I/M readiness, live data, freeze frame data, Oxygen sensor test, On-board monitor test, vehicle information, and more. It ensures full diagnostic coverage for most OBDII compliant vehicles.
Battery Voltage Test & Display
Easily monitor your vehicle’s battery health with the built-in battery voltage test function. The real-time voltage display helps users quickly determine if the battery is functioning within normal parameters.
Patented Hardware Design
Designed with innovation in mind, this CR800 code reader features patented hardware architecture for stable performance, faster data processing, and improved durability, making it ideal for workshop and garage use. UDIAG CR800 is consumer-oriented. It is plug and play without a battery required. With a nearly one-meter long OBDII cable, the code scanner is powered directly from the 16pin DLC in your vehicle.
User-friendly, fast & Efficient Operation
Unique patented non-slip shell design, equipped with a 2.8-inch TFT true color screen. VIN, DTC and I/M readiness hotkeys make this code reader easy to use with high proficiency. Green-Yellow-Red Lights and built-in speakers indicate the readiness status for a confident emissions test. The user-friendly interface enhances the reading experience.
Freeze Frame Data & Live Stream
Our UDIAG CR800 can capture Freeze Frame Data when your check engine light comes on, which is useful for you to easily pinpoint the problem. With Live Data, you can view real-time vehicle speed, RPM, Air Flow Rate and more.
Support Print Diagnosis report
Easily generate and print out diagnostic reports via PC connection. This feature helps technicians keep service records and provide customers with professional documentation of vehicle health.
Multi-Language Support
Designed for international users, the code reader supports multiple languages, making it accessible to workshops and technicians around the world.
Three Popular Hot Keys Design
- IM READINESS KEY–Made for easier smog pre-inspection test. Run the same tests as official inspections. You can quickly find out if you’ll pass the smog test.
- VIN HOTKEY–One click to start for protocols scan. No more lengthy operations needed. Quickly retrieve the vehicle’s VIN Code.
- DTC HOTKEY–With a simple press, you’ll get the stored DTCs for possible repairs.
No other similar OBD2 scanner or code reader can offer this level of assistance. Very easy to use for beginners.
Advantages
- Works with most 1996 and newer (OBDII& CAN) vehicles, includes light-duty trucks, SUVs, minivans and hybrid.
- Test and display the voltage of battery.
- One click I/M readiness hot keys make it easy to use this tool right out of the package.
- Reads O2 sensor/ on-board monitor test data
- Automatic VIN acquisition and decoding.
- Support max. 4 graphic comparassions of data stream.
- Enhanced Mode 6 functions—Non-continuously Monitored Systems test results.
- Retrieve protocol, VIN, Cal ID and CVN identifiers from ECU.
- Read, records, graphs & playbacks real-time live data streams.
Specifications
Display | 2.8 inch LCD color screen |
Operating Temperature | 0 to 60°C (32 to 140°F) |
Storage Temperature | -20 to 70°C (-4 to 158°F) |
Power | 8 to 18 Volts powered by vehicle battery |
Dimensions | 147*90*30mm (L*W*H) |
Protocols Supported | J1859-41.6, J1850-10.4, ISO9141, KWP2000 (ISO 14230) and CAN (Control Area Network ISO 11898) |
Accessories
Package
Video
Comparisons
Model | CR800 | CR720 | CR206 | CR200 |
Supported Protocols | SAE J1850 PWM SAE J1850 VPW ISO 9149-2 ISO 14230-4 KWP2000 ISO 15765-4 CAN |
SAE J1850 PWM SAE J1850 VPW ISO 9149-2 ISO 14230-4 KWP2000 ISO 15765-4 CAN |
SAE J1850 PWM SAE J1850 VPW ISO 9149-2 ISO 14230-4 KWP2000 ISO 15765-4 CAN |
SAE J1850 PWM SAE J1850 VPW ISO 9149-2 ISO 14230-4 KWP2000 ISO 15765-4 CAN |
Parameters | ||||
Operating System | Embedded System | Embedded System | Embedded System | Embedded System |
Free Upgrade | Lifetime Free | No need to update | No need to update | No need to update |
Screen Size | 2.8-inch | 160*128 pixel | 128*64 pixel | 128*64 pixel |
Power | 8-18V Provided by Vehicle | 8-18V Provided by Vehicle | 8-18V Provided by Vehicle | 8-18V Provided by Vehicle |
Supported Car Models/Makes | Most 1996 and newer vehicles including light-duty trucks, SUVs, minivans, and hybrid | Most 1996 and newer vehicles including light-duty trucks, SUVs, minivans, and hybrid | Most 1996 and newer vehicles including light-duty trucks, SUVs, minivans, and hybrid | All 2000 and later OBDII vehicles |
Diagnostic Features | ||||
OBDII/EOBD Diagnostic | ||||
System Status | √ | √ | √ | √ |
Read Codes | √ | √ | √ | √ |
Erase Codes | √ | √ | √ | √ |
Live Data | √ | √ | √ | × |
Freeze Frame | √ | √ | √ | √ |
I/M Readiness | √ | √ | √ | √ |
O₂ Monitor Test | √ | √ | × | × |
On-Board Monitor Test | √ | √ | × | × |
Component Test | √ | √ | × | × |
Modules Present | √ | √ | × | × |
DTC Lookup | √ | √ | × | × |
VIN Identification | Auto | Auto | Auto | Auto |
Battery Test | √ | √ | √ | × |
Battery Voltage Monitoring | × | √ | √ | × |
Battery Life Evaluation | × | √ | √ | × |