2026 XTOOL AD20 OBD2 Scanner Code Reader Bluetooth Diagnostic Engine Check Fault

2026 XTOOL AD20 OBD2 Scanner Code Reader Bluetooth Diagnostic Engine Check FaultXTOOL AD20 OBD2 Scanner Car Engine Check Diagnostic Scan Tool for iPhone/Android, OBDII Scanner for Car,Full OBD2 Function, Live Data, Freeze Frame,Turn Off Mil light✅Highlight of XTOOL AD20:Smart: Advancer AD20 is a Smart OBD Dongle with integrated diagnostic module and cloud services.Utility: Provides various functions like DTC scanning, Components tests, trip recording, driving skills monitoring, etc.Convenience: Connected via Bluetooth, controlled by smartphone. AD20 is a great tool for all vehicle owners.Free Update: The latest Bluetooth 5.0, supports Android and IOS. AD20 software is independently developed by XTOOL,the software is free updated
High Quality:AD20 Full Pin High-quality chips and shells are tested repeatedly before delivery, and various problems can be solved through hardware and software upgrades.✅ Main Functions of XTOOL AD20:1.HUD function:AD20 supports HUD function and you can replace exquisite instrument styles online
2.Driving Records& Analysis:AD20 supports driving records and driving analysis, each driving data will record and analyze the fuel consumption, distance, and some driving behaviors during driving.
3.Performance Test :AD20 supports the performance test of the car, you can see some values and performance of the car through the acceleration of 100 meters
4.Engine Diagnosis:check engine light on and engine code reading/detect code
5. Analyze Error Codes:AD20 can read and clear the error code of OBD2 ,then analyze these error codes will let you konw what causes and how to solve it now6.Components Test: This function allows you to check the health status of the systems and the components of the vehicle. Currently we support to perform tests on batteries, fuel correction control system, emission system and air flow sensors. Also, through some tests we can know the status on the carbon built-up in the throttle.✅FUll OBDII Tests1.Read Trouble Codes (Model03/07/0A)：Recognizes and reads fault codes stored in the ECU to help technicians quickly locate the cause of the problem.
2.ClearTrouble Caodes (Model04)：Recognizes and reads Diagnostic Trouble Codes stored in the ECU to help the mechanic quickly locate the cause of the problem. Improves maintenance efficiency and reduces misjudgments.3.Live Data (Model01):Real-time acquisition of vehicle operating parameters, such as engine speed, vehicle speed, intake air temperature, coolant temperature, etc. Facilitates dynamic analysis of vehicle performance, optimizes driving habits and improves fuel economy.4.Read Freeze Frame (Model02)：Records and stores the vehicle\'s fault history and driving data. Provides a reference basis for subsequent repairs and facilitates tracking of long-term trends.5.Read EC.U Infomation (Model09)：Read the version information of the vehicle module. Vehicle model information, software version, hardware version for upgrading the ECU software version and viewing the production date and part number when replacing the E.CU.6.Component Test (Model08): Control test actuator comparison to analyze Throttle,Fuel correction control System,Air Flow Sensor Sensor Systems,control unit, actuator fault, locate the faulty unit.7.On-Board Monitor Tests (Model06):Check the operating status of oxygen sensors, three-way catalytic converters, valves, engine misfire data.8.O2S Monitoring Test(Model05)：Check that the oxygen sensor is working properly.Ensure that the vehicle\'s systems are operating stably to prevent potential problems.9.I/M Readiness (Model01) :Monitor the operating status of the engine, transmission and other powertrain components. Timely detection and resolution of power system problems to ensure safe and reliable operation of the vehicle.10.DTCs Lookup:View vehicle fault code meanings for model year maintenance advice and guidance.With these features, the AD20 Bluetooth OBD2 code reader scanner not only enhances the maintainability and reliability of your vehicle, but also provides you with more information about your vehicle\'s health, so that you can better manage and maintain your car.✅Car Engine In-depth Check:Advancer AD20: Comprehensive Monitoring and Intelligent Maintenance for Safety on the Road
1.Real-time powertrain monitoring: The AD20 blueooth OBD2 Code Reader scanner can display key data such as engine speed, water temperature, ignition advance angle, intake pressure and fuel system closed-loop status in real time, ensuring that you are always aware of your vehicle\'s operating conditions.Driving Cycle Fault Alert: Provides pending fault codes within the current driving cycle to help you carry out timely maintenance and repair.
2.Early Fault Alert: XTOOL AD20 blueooth OBD2 Code Reader scanner also reads potential fault codes that have not yet lit up the MIL lamp, as well as permanent fault codes stored in the system, to detect and solve hidden dangers in advance to ensure driving safety.
3.Fault Code Clearing and MIL Lamp Off: After completing engine maintenance, the AD20 blueooth OBD2 Code Reader scannercan easily clear fault codes and turn off the MIL lamp, simplifying the maintenance process.
With Advancer AD20, it\'s easy to get comprehensive vehicle health information, giving you more peace of mind and worry-free driving.

✅Smog Test:

The AD20 blueooth OBD2 Code Reader scanner car engine diagnostic tool not only supports standard OBD-II fault code reading and clearing but also features a unique smoke test function. This advanced feature detects carbon buildup in the exhaust system caused by incomplete fuel combustion, helping vehicle owners monitor their car\'s health and perform necessary maintenance. Regular use enhances driving comfort and extends the vehicle\'s lifespan.
1. Accurate Carbon Detection:By injecting harmless smoke into the exhaust system, the scanner precisely identifies locations and levels of carbon buildup due to incomplete fuel combustion.
2. Leak Detection:The smoke test also pinpoints any leaks in the exhaust system, ensuring its integrity and proper sealing.
3. Improved Fuel Efficiency:Removing carbon deposits can enhance engine combustion efficiency, reduce fuel consumption, and boost performance.
4. Preventative Maintenance:Routine smoke tests help identify potential issues early, preventing more serious problems down the line.
5. Environmental Compliance:Excessive carbon buildup can lead to emission violations. Regular maintenance ensures your vehicle meets environmental standards.

✅Battery Voltage Test:

AD20 blueooth OBD2 Code Reader scanner is a multi-functional vehicle diagnostic tool that supports standard OBD-II fault code reading and clearing, and is especially equipped with the function of detecting the battery charging status under idling condition (report generation is not supported), which helps users to detect battery problems in time to ensure driving safety.
1. Idle Battery Detection: Automatically monitors the battery charging status during idling and provides instant response to ensure that the battery is working properly.
2. Simple and easy to use: only need to connect the OBD-II interface and select the detection mode, suitable for all kinds of users.
3. Preventive Maintenance: Regularly check the battery status to extend the battery life and reduce maintenance cost.
4. Enhance the experience:Ensure the electrical system is functioning properly to avoid hard starting and other malfunctions.
With the AD20, you can easily keep track of your battery status, ensuring greater peace of mind and reliability on every trip.

✅ DTCs Lookup:

1. Rapid fault diagnosis:AD20 blueooth Code Reader scanner supports DTCs (fault codes) finding function, which can quickly identify and explain the cause of vehicle malfunction, shorten repair time and improve efficiency.
2. user-friendly:Provides detailed fault code explanations and solution suggestions, simple and intuitive operation, suitable for professional technicians and DIY car owners.

✅Supported Car Protocols:

1.SAEJ1850 PWM(41.6Kbaud)
2.SAE J1850 VPW(10.4Kbaud)
3.ISO9141-2(5 baud init,10.4Kbaud)
4.ISO14230-4 KWP(5 baud init,10.4 Kbaud)
5.ISO14230-4 KWP(fast init,10.4 Kbaud)
6.SO15765-4 CAN(11bit ID,500 Kbaud)
7.ISO15765-4 CAN(29bit ID,500 Kbaud)
8.ISO15765-4 CAN(11bit D,250 Kbaud)9.ISO15765-4 CAN(29bitID,250 Kbaud)

AD20 OBD2 blueooth Code Reader scannerworks for 1996+ OBDII American Vehicles,2006+ European EOBD Vehicles.And 11 kinds of Languages can be implementation time of OBDll agreement is not the same on all continents

✅More Reliability Features:

1.Performance Test:The AD20 is capable of reading and displaying key vehicle performance parameters in real time, such as engine RPM, vehicle speed, coolant temperature, intake air temperature, throttle position, and more. In-depth troubleshooting not only reads fault codes, but also interprets what they mean and suggests solutions.
2.Vehicles Management:AD20 diagnostic rebinds every time you replace a vehicle, ensures accurate data, avoids confusion, protects privacy, provides personalized service and history management, enhances device compatibility and reliability, complies with regulatory requirements, and improves diagnostic accuracy and safety.AD20 is a must-have entry-level tool for home maintenance and DIYers.
3.Customize Hub:AD20 offers three tech-savvy smart dials that you can project on the front windshield using the HUB, which not only enhances the technology and aesthetics of your vehicle, but also significantly enhances the driving experience and safety.
4.Trip Recorder:AD20 can help to record and analyze every driving data, detailed driving data record, improve safety and driving habits.

✅ How to activate and use it?

1. Download and install the AD20 application software (Advancer AD20) in the APP store or the Android market (or scan and download)
2. Register and log in to your account in the Advcaner program (requires email verification)
3. Connect the car and bind the car (need to scan the product code of AD20)
4. Keep AD20 connected with Bluetooth (Bluetooth is connected inside the software) and enter the software
5. Start diagnosis with your car

Payment Delivery details Terms of sales Contact us About usPayment1.We accept Credit cards,Debit card,Apple Pay,Google Pay,PayPal ect. payment.
2.Payment should be made within 3 days after offerding ends.
3.Please include your special requests in note if there is any.4.Note:Import duties, taxes and charges which are not included in the item price or shipping cost are the buyers\' responsbility. Please check with your contry\'s customs office to determine that these additional costs will be prior to offerding or buying. Delivery details1.All items will be shipped out within 1-3 business days upon receipt of your payment.
2.Usually, shipping takes around 5-7 business days. We\'ll try our best to provide you the most reliable and affordable way of shipping service.
3.If you do not receive your parcel in the estimated time period, please contact us firstly. We\'ll offer you help, we won\'t let our buyers suffer any loss.4.Please make sure it\'s correct address, City name, PostCode and include phone number for delivery.
Terms of salesAll items are guaranteed to be carefully checked before shipping out. But damage also happens in transit sometimes. This is something we can not control in some cases. If the item you received is defective, please contact us firstly, offer us figures/video for proof, we\'ll help you to deal with the situation and take the duty. We won\'t let our buyers suffer any loss. Good communication, better future. Contact usPlease feel free to contact us via message once you have any question before you giving us negative response or open case.
We will reply in 24 business hours.
Business time: GMT8 (9:00-18:00) from Monday to Friday.
Please contact us firstly if you don\'t like the item and want to return it.We will provide the shipping label to you. About usWe are eager to be your professional partner of automobile diagnostic tool. We support remote assistance if you have any difficulty in software installation.