Automotive OBD2 Scanner OBD Code Reader Car Check Engine Fault Diagnostic Tool


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OBD2 Scanner YA-101 Car Code Reader for Check Engine Light,O2 Sensor and EVAP Test, On-Board Monitor Test Mode 6,Smog Check,OBD2 Diagnostic Scan Tool for OBD2 Protocol Vehicles Since 2000


🚗Top is the quickest way to learn about ya101:

 【Vehicle Diagnoses Doctor】YA-101 is an upgraded version of basic obd2 scanners with feature complete support of all 10 modes of obd2; including  reading and erasure of current codes, O2 Sensor Tests, On-Board Monitor Test (Mode 6),EVAP System Test (Mode 8), I/M Readiness, Vehicle Info, etc,.Help you pass the Smog check!


【View Live Data & DTCs Lookup】View Freeze Frame/Live Data streams, Live O2 monitoring, Misfire, Engine Coolant Temperature and Engine RPM Data; view real-time PID data from ECM; built-in DTC lookup library with definitions.

【All OBDII protocols Vehicles Coverage + 9 Languages】 

 Works with most 12V gasoline vehicles sold in the USA since 2000.

 Supports all OBD2 Protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN.

 Support for 9 languages: Simplified Chinese, German, English, Spanish, French, Italian, Japanese, Traditional Chinese, Russian.

【Garage Necessity】

✅Plug and play function,easy to use.

✅ Add Battery Test Function to view of Battery Status;

✅ color display;

✅ FREE LIFETIME software updates via USB port.

It is recommended as a necessity in your garage/ Home and Autoshop.

PLEASE NOTE:this tool only works on 12V cars,not NOT WORK FOR 24V truck.



What live data can be read by YA-101 car code reader?

How much data can be read depends on the vehicle, there are over 40 live data PIDs,including FUELSYS(fuel system status), LOAD_PCT(Calculated load value), ECT(Engine Coolant Temperature), SHRTFT(Short term fuel trim-bank), LONGFT(Long term fuel trim-bank), Engine RPM, VSS(Vehicle Speed Sensor), SPARKADV(Ignition timing advance for cylinder 1), IAT(Intake air temperature), MAF(Mass Air Flow), TP(Absolute Throttle Position), EQ_RATB1S1(Equivalence Ratio Bank 1, Sensor1), O2B1S1(Oxygen sensor output voltage), EVAP_PCT(Commanded Evaporative Purge), etc.

Why the YA-101 Car Code Reader deserve to own?

1.Enhanced OBDII Diagnostic Functions:Read & Clear DTCs, I/M Readiness Status, Read Freeze Frame and Data stream, Read Vehicle Information, O2 Sensor TestOn board Monitored systems Test (mode 6), EVAP Test (mode 8),Turns off Malfunction Indicator Light.

2.Color display Screen and high physical button design.

3.Support battery detection: Let you better to know your car’s battery statues.

4.Lifetime Free Update, no need to install drivers can be updated via USB, so you always have the latest car model data.

5.Support 9 Languages: English , French , Russian , Spanish ,German, Italian ,Portuguese, Japanese, Chinese.

6.Support all vehicles from 2000 &newer (OBDII &CAN).

7.Wide Target Audiences:YA-101 is a useful car code reader for entry-level pro and savvy DIYer,home and autoshop Mechanics,etc.

Support Car Models for OBDII diagnostic function:  

  • [ American Car ] : Need Standard OBD2 Protocols from 2000 to now for Chrysler , for Ford, for GM, For Jeep ...
  • [ European Car ]: Need Standard OBD2 Protocols from 2001 to now For Alfa romeo , for SAAB ,for Acura , for Opel , for Audi for Seat , for Peugeot , for Renault For Bentley , for Skoda , for Daewoo , for Benz , for Daihatsu , for Land Rover , for BMW , for Vauxhall , for Citroen , for Volvo , for Fiat , for VW , for Ford , for Jaguar...
  • [ Japanese/Korean Car ]: Need Standard OBD2 Protocols from 2006 to now for KIA, for Isuzu, for Honda , for Mitsubishi, for Hyundai , for Dacia , for Lexus , for Mazda, for Nissan, for Subaru , for Suzuki, for Toyota...
  • [ Chinese Car ]: Need Standard OBD2 Protocols from 2009 to now.
YA101 Support OBD 2 protocols car :
SAE J1850 PWM(41.6Kbaud)                           SAE J1850 VPW(10.4Kbaud)                   ISO9141-2(5 baud init,10.4Kbaud)   
ISO14230-4 KWP(5 baud init,10.4 Kbaud)      ISO14230-4 KWP(fast init,10.4 Kbaud)   ISO15765-4 CAN(11bit ID,250 Kbaud)
ISO15765-4 CAN(11bit ID,500 Kbaud)            ISO15765-4 CAN(29bit ID,500 Kbaud)   ISO15765-4 CAN(29bit ID,250 Kbaud)
Note: YA101 only Support 12V cars, Does not support 24V Truck

Enhanced OBDII- On-Board Monitor Test MODE6

Mode 06 keeps watch on how all of the sensors and other emission control components are functioning. it can reveal the inner workings of the OBD II system, and can tell you when a code is going to set even before it sets the code and turns on the Check Engine light.

Misfire Cylinder Test: Helps to clear the fault code of one abnormal cylinder .Helps to the PCM read the CKPS information and detect which cylinder has issue.


Enhanced OBDII-EVAP System test (MODE 8)

EVAP System test (Component Test) lets you initate a leak test for the vehicle’s EVAP system.After fixed a problem with the fuel system,you can verify your fix right away, without waiting a few days( or longer) for your car to run it automaticall

Enjoy Quick Emission Test

The oxygen sensor monitor allows the PCM to verify that the O2 sensors are properly calibrated and functioning without noticeable deterioration under normal engine operating conditions. ediag ya-101 obd2 scanner helps you get fully prepared for passing the smog check.

Add Battery Test Function

Real-time Monitor the Vehicle’s Battery Voltage, Better Know the Battery Status.

How to Use YA-101?

  • Just simply plug into the OBD II port on your car and turn ignition on.NO NEED TO REGISTER BEFORE UTILIZATION

How to update EDIAG YA-101obd2 scanner?

  1. Download the application from
  2. Copy the app to YA101 via the USB cable
  • Note: UPDATE IS NOT NECESSARY before utilization. The YA-101 comes with 31.5 inch cable

Can it works on your cars?

  • YA-101 covers all obd2 protocols and all OBD diagnostic services.therefore,it will work with virtually all obd2 cars with 16 pin Data Link Connector. 
Packing List:
1pc * YA101 Code Reader
1pc * English User Manual
1pc * Carton Box


Please allow 2 - 5 business days of processing and production time for your order to ship out. 


USA orders will be shipped via USPS & FedEx, and International Orders will be shipped depending on the fulfillment center the product is on.

  • Average transit times to the United States: 3 - 15 Business days
  • Average transit times to International: 7 - 15 Business days

Some circumstances are out of control (natural disasters, holidays, weather, etc.) that may cause shipping postponements. While most packages will arrive on time, there may be circumstances and delays that our carriers may experience. Thus, we do not guarantee the exact delivery time; the delivery issue is the responsibility of the shipping company.


We provide tracking for every order. Tracking will be available once your product is shipped. Each product may be shipped from different fulfillment centers worldwide as our product research team spends the time to source for quality yet affordable products.

When you receive your tracking number, you can go here if you need help tracking your order. 


You can cancel your order with no penalty! You must cancel your order 24 hours after creating it for the cancellation to be applied. If the item has already shipped, please email All you need to do is send us an email with the subject line "CANCEL and your ORDER NUMBER."


If you have misspelled or auto-filled your address incorrectly, reply to your order confirmation email and give us the correct information. Please notify us immediately via email at If the address is wrong, we can correct this within 24 hours.


We do ship every item with extra padding. Despite this, our customers report that around 1 in 1000 products arrives damaged due to mail service mistreatment.

If this happens to you, please contact us with:

    - Your order number.

    - A picture of the damaged product.

Once received, we'll be happy to send out another free of charge.



If we still haven't managed to answer your question, please feel free to contact us, and we will do our best to reply within 24 hours 😍

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