YA-201 is a Holder code reader with complete full OBD2 Functions Read/Clear DTCs, I/M Readiness Check, Live Data Stream Viewing, Freeze Frame Data Viewing, O2 Sensor Test, On-board Monitor System Test, EVAP System Test, Vehicle Information Retrieval along with advanced DTC Lookup function.
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The YA-201 is a handheld code reader with complete full OBD2 functions, including Read/Clear DTCs, I/M Readiness Check, Live Data Stream Viewing, Freeze Frame Data Viewing, O2 Sensor Test, On-board Monitor System Test, EVAP System Test, Vehicle Information Retrieval, and an advanced DTC Lookup function.


The YA201 supports 9 languages: English, French, German, Italian, Spanish, Portuguese, Russian, Japanese, and Traditional Chinese.


The YA-201 OBD2 scanner displays continuous vehicle data streams in real-time graphical (waveform) or text format. Users can “Top” important data parameters for easier monitoring.
View Freeze Frame Data: Review specific vehicle conditions recorded by the on-board computer when an emission-related fault was detected.
Playback Data History: Review historical data including fault codes, VIN, On-Board Monitoring results, Component Test outcomes, O2 Sensor Test results, I/M Readiness status, Freeze Frame data, and Live Data.
Print Data: Use the screenshot function to capture and print needed diagnostic data.
Read VIN: The YA-201 code reader retrieves vehicle identification information directly from the vehicle’s system.
Battery Voltage Data Test: Monitors real-time battery voltage status.
Early Warning Capability: Technicians recommend performing a battery test before diagnosis to improve diagnostic accuracy and receive early warnings about potential electrical issues.
Accurate DTC Descriptions: Unlike basic scanners, the YA-201 provides detailed explanations of error codes and indicates possible causes.
Read Hidden Codes: Access DTCs through the Data Stream menu—even if the vehicle isn’t actively displaying codes.
