LAUNCH X431 PRO3 ACE Car Diagnostic Tool Bidirectional OBD2 Scanner

LAUNCH X431 PRO3 ACE Elite Bi-Directional Scan Tool, HD Trucks Scan, OEM Topology Map, Online Coding & 55+ Service, CAN FD & DoIP, V.A.G Guided, FCA AutoAuth, DBSCar VII Connector, 2 Yrs F-Ree Update

LAUNCH X431 PRO3 ACE-THE ULTIMATE CHOICE FOR A HIGH-END SCAN TOOLEfficient tool for solving car problems-X431 PRO3 ACE

LAUNCH X431 PRO3 ACE, as the upgraded version of X431 Pro3s+, has become one of the most competitive car diagnostic tools on the market today due to its unparalleled technological innovation and functional optimization, providing professionals with a smarter and more efficient diagnostic solution.

The 2025 Newest LAUNCH X431 PRO3 ACE is the most competitive automotive diagnostic tool. The scan tool is equipped with advanced hardware configuration, Supports 12V and 24V Vehicles, and includes OEM Topology Mapping, Over 41 Maintenance Functions, Full Bidirectional Control, Full System Diagnosis, Variant Coding, Power Balancing, Actuation Test, Adaptation, Matching, Reset, Initialization, OE-LEVEL Component Matching, Module Installation, Online Calibration, Online Parameterization, Flash Hiding Function, Free Guided Functions, CAN FD and DoIP Protocols, and AutoAuth for FCA SGW. These features make the X431 PRO3 ACE automotive scanner stand out among products of the same price.

1. Global New Version: No IP Restriction + 2 years of Free Updates + Super Configuration + Compatible with X431 SMARTLINK HD module (Need Extra Purchase ) for Diagnosing 12-24V light, medium and heavy vehicles

2. New DBScar VII VCI Device: supports CAN FD and DOIP protocols, communicates with more vehicles at higher speeds, and achieves Bluetooth + USB dual connection. The latest compatible models, such as: 2020-2025 GM Onix, Tracker, 2021-2025 GM Suburban, Escalade, Escalade ESV, 2025 GM Silverado, 2021-2025 Chrysler Grand Cherokee (WL), Grand Wagoneer, etc. •

3. High-end hardware configuration: ✔️2.0GHz quad-core processor ✔️Android 10.0 ✔️10.1 inches ✔️1280*800 touch screen ✔️4+64GB Memory ✔️8.0 MP Camera ✔️Extra Large 6300mAh/7.6V Battery (equivalent to 12600mAh/3.7V battery)

4.55+ Special Functions: Fix 99% of vehicle issues including Oil Reset, EPB, BMS, Injector Coding, Throttle, Headlight, Battery Matching, ABS Bleed, Gear Learning, Security System, etc. >>> NOTE: *Explore over 300 service functions for your specific model by accessing the "Vehicle Brand -> System Diagnostics -> Special Functions" menu. Functions vary by model, year, system, etc.

5. Wider coverage: Applicable to all OBD1 and OBD2 cars (1984-2025), including cars, SUVs, minivans, 12V and 24V trucks, etc.

6. Topology mapping: Supports diagnosis of all systems of the car in seconds, displays all healthy and unhealthy data in the car system, accurately locates the fault of the car, greatly improves work efficiency and saves time

7. Advanced ECU coding: Match, calibrate, personalize, relearn, recode various ECU components, optimize driving quality and personalize according to preferences

8. OE-level full system diagnosis: decodes not only universal codes but also OE-specific codes , Ensures comprehensive analysis, precise detection and accurate troubleshooting

9.4000+ Bi-directional Control: Send instructions directly from the scan tool to the vehicle, greatly reduce maintenance time and quickly pinpoint the fault location

10. Automatic VIN scanning: Includes 5 quick diagnosis methods <<<1. Automatic VIN scanning <<<2. Camera VIN <<<3. Manually enter VIN<<<4. Select region and vehicle - Auto detect<<<5. Select region and vehicle - Manual selection

11. Intelligent one-click WiFi update: Automatically filter common software according to user usage patterns and provide priority upgrades

2 years of free updates, support more than 25 languages: X431 PRO3 ACE Bluetooth scanner provides 2 years of software updates, 5 years of warran-ty, 90 days no-questions-asked return and exchange policy, and lifetime free 24/7/365 tech-nical support.

2025 LAUNCH X431 PRO3 ACE Car Diagnostic ScannerWhat Makes X431 PRO ACE 3 So Popular in Car Diagnostic Tool?

With ECU Online Coding and OE-level Full System Diagnosis and 55+ Reset Services

LAUNCH X431 PRO3 ACE will improve vehicle performance, achieve personalized customization, refresh hidden functions, disable annoying functions, encode adaptive data of certain components after repair or replacement, customize configuration for high-end models, etc., to improve fuel efficiency and ensure safe driving.

• 1. Online Coding: This LAUNCH scan tool can directly access online vehicle repair data for advanced repairs.
• 2. Offline Coding: Read the code from the original module and then write the code for the new module, for example, write the VIN to the new ECU.
• 3. Component matching: Match, relearn, calibrate or initialize the adaptive data of certain components after repair or replacement, such as: Suspension calibration 、 Seat matching 、Sunroof initialization 、Transmission matching 、Injector calibration 、Transmission adaptation 、 Delete adaptive data、Fuel tank calibration、Height sensor system calibration 、PSM sensor calibration, etc.
• 4. Modification and modification: modify different types of batteries, upgrade headlights, taillights and interior lighting to LED lights, etc.
• 5. Refresh hidden functions: disable automatic start-stop, disable daytime running lights, disable seat belt chimes, delete transport mode, delete transmission adaptive values, set speed limits, etc.

Note: All the above functions are not compatible with all vehicles. Please send us the car brand, year, model, VIN# and the functions you need to check vehicle compatibility.

55+ Maintenance Functions, ideal diagnostics for professional mechanics and DIY enthusiasts

LAUNCH PRO3 ACE combines more than 55 maintenance functions to meet a wide range of diagnostic needs, including module matching, relearning, calibration, adaptation, reset, etc.

The most common functions of LAUNCH X431 PRO3 ACE include but are not limited to:

1. Oil reset: After changing the oil or oil filter, reset the oil life system and turn off the oil indicator light to start a new cycle.

2. EPB reset: Safely maintain the electronic brake system by deactivating and activating the brake control system, setting the brake after replacing the brake pads or linings.

3. SAS reset: Calibrate the steering angle sensor and steering system mechanical components after replacement

4. Throttle adaptation (idle relearning): Initialize the throttle actuator to the default state.

5. ABS bleeding: Bleed the brake system and restore ABS brake sensitivity.

6. Battery matching: Rematch the control module and motor sensor to accurately detect the battery, clear old low battery information, and prevent the relevant control module from detecting erroneous information.

7. TPMS reset: Quickly locate the tire sensor ID from the vehicle's ECU and perform TPMS replacement and sensor testing.

8. Injector Coding: Coding the fuel injectors after replacement or adjustment to accurately correct the fuel injection for each cylinder.

9. Diesel Particulate Filter (D.P.F) Regeneration: Effectively manage and execute the regeneration process of the DPF.

10. Throttle Adaptation (Idle Relearning): Initialize the throttle actuator to the default state.11. Adblue Reset (Diesel Engine Exhaust Filter): Reset the urea after replacing or topping up the diesel exhaust fluid. 12. Tire Reset: Set the size parameters of the modified or replaced tires. 13. A/F Reset: Set or learn the air-fuel ratio parameters. 14. Transmission Reset: Helps complete the transmission self-learning and improve the shifting quality. 15. Gear Learning: Monitors certain camshaft position sensor signals. 16. Sunroof Initialization: When there is a communication problem or change in the sunroof control unit, the sunroof needs to be reset. 17. Air Suspension Reset: Adjust the vehicle height sensor for horizontal calibration. 18. AFS Headlight Reset: Initialize the adaptive front lighting system. 19.Coolant Drain: Start the electronic water pump. 20.Nox Sensor Reset: Reset the catalytic converter learning value stored in the ECU. 21.Stop/Start Reset: Set the Auto Start/Stop function in the ECU. 22.Seat C Calibration: Calibrate the memory of the replaced or repaired seat. 23.Delete Transport Mode: Deactivate the Transport Mode. 24.Language Change: Change the vehicle system language. 25.A/C System Relearn/Initialize. 26.E.GR Reset. 27.Windows C Calibration: Perform Door Window Matching to restore the ECU initial memory. 28.High Voltage Battery Diagnosis. 29.GPF Regeneration. 30.Camshaft/Crankshaft Sensor Relearn. 31.Reset Fuel Alcohol. 32.Reset Fuel Adjustment. 33.Fuel Economy Test. 34.Interactive Vehicle Dynamics (IVD) Initialization Sequence. 35.Stop/Resume Transmission Adaptive Learning. 36.VIN Registration (Write) 37.Passive System (PATS) Function. 38. Relearn vehicle data. 39. Automatic tailgate initialization. 40. Initialize power window regulators; 41. Seat normalization. 42. Normalize slide/tilt sunroof; 43. Zero point calibration; 44. BSI solenoid valve test. 45. Clutch system learning. 46. VGT relearn; 47. Transmission service quick relearn. 48. SWS initialization. 49. VIN registration (write); 50. Injector fuel rate coding; 51. Fuel injector balancing, etc.

How to use these functions?

Get 300+ premium special features for free for life under the vehicle brand" menu >"system">"special functions!

Note: Specific features vary by model, brand and year. Not applicable to all models, any features you want to know, you can con-tact us to check compatibility. More and more features and functions will be updated regularly

LAUNCH PRO3 ACE SCANNER A HELPER FOR YOUR CARMeet your needs and bring you efficient and accurate diagnostic experience

OE-level full system diagnostics: This scanner can read and clear fault codes, view real-time data, and retrieve ECU version information. It supports active testing and service of all systems, including ECM (engine control module), TCM (transmission control module), ABS, SRS (airbag system), BCM (body control module), BMS (battery management system), TPMS (tire pressure monitoring system), SAS (steering angle sensor), fuel system, lighting system, and air conditioning system. These functions are applicable to up to 200,000 models worldwide.

Excellent Active Tests: The car diagnostic tool X431 PRO3 ACE has a Bi-directional Control, also known as active test, actuator test and check test. It can send commands to the ECU, read ECU data to determine the integrity of the system or component, and monitor the operation of the actuator, allowing you to quickly understand whether a specific system, component or subsystem is operating normally. Here are some examples of active tests: turn on the radiator fan, adjust the throttle, open/close the window, operate the rearview mirror, test the injector buzzer, turn on the interior/exterior lights, test the horn. These functions enable you to fully check and diagnose various parts of the vehicle to ensure that it is operating normally.

Topology Mapping: With this feature, the LAUNCH X431 PRO3 ACE Scan Tool takes a comprehensive view of your vehicle's electrical system, providing a detailed map of all components and their connections. This enables you to quickly locate any faults and troubleshoot problems easily. Whether you are a professional mechanic or a DIY enthusiast, topology mapping is a great feature to increase your efficiency and will significantly improve your diagnostic capabilities.

V.A.G Guide Function: Available for brands such as Audi, Volkswagen, Skoda and Seat; LAUNCH X431 PRO3 ACE Car OBD2 Scanner provides on-screen step-by-step instructions to guide you to become an expert in car diagnostics, even if you are a novice. With this feature, you don't need to rely on the mechanic's advice, and there is no extra cost.

AutoAuthfor FCA SGW: LAUNCH X431 PRO3 ACE is able to communicate seamlessly with the FCA vehicle's secure gateway without the need for bypass cables. This not only improves the efficiency of diagnosis, but also enhances the comprehensiveness and accuracy of diagnosis.

CAN FD &DOIP: LAUNCH scanners always focus on customer needs. The 2025 upgraded version of LAUNCH X431 PRO3 ACE introduces new protocols CAN FD and DoIP to increase vehicle diagnostic speed and communication rate. (*Please note: Using the DoIP function requires the purchase of an additional adapter cable.)

99% Vehicles Supported &200+ Car Brands +200000+ Models

One of the most important considerations when choosing a car scanner for diagnosis is its compatibility with different vehicles. This LAUNCH diagnostic tool expands vehicle coverage, matching more than 99% of popular cars from the United States, Europe, and Asia, even including the latest models of 2025, for sedans, SUVs, minivans, 12V light trucks, etc. It is also compatible with X-431 SMARTLINK C HD module, supporting DC9~36V HD trucks such as Mercedes-Benz, MAN, Volvo, DAF, Scania, Iveco, Renault, etc. (Please note: HD Truck Diagnostics requires the separate purchase of the SMARTLINK C HD module.)

Supported Models Most US models include: For Ford/Cadillac/Chevrolet/Chrysler/Dodge/Jeep/Lincoln/GM/Buick/HM/Tesla...

European Models: For BMW/VW/Skoda/Audi/Opel/Lamborghini/Porsche/Maybach/Continental Ford/Land Rover /DR BENTLEYROLLSROYCE/Mercedes-Benz /SMART /SPRINTER /ROVER/ MINI/ VAUXHALL /FERRARI /FIAT /ABARTH /LANCIA /ALFA ROMEO /MASERATI/ BUGATTI/ PEUGEOT/CITROEN /RENAULT /SAAB VOLVO/ OPEL /DACIA SEAT...

Asian Models: Fits for SSANYYONG/ HYUNDAI/ KIA /HONDA /Acura /TOYOTA /SAMSUNG /DAEWOO /SCION/ LEXUSMAZDA/ NISSAN /Infiniti / Suzuki/ Daihatsu/ Mitsubishi/ Subaru/ Great Wall Huachen/ ZTE/ JACTY/ Chery/ Isuzu/ King Long/ Furley/ BYD...

Malaysian models: Fit for PERODUA (PERODUA), PROTON;

Australian models: Fit for Austford, Holden;

Russian models: Fit for GAZ, VAZ;

Indian models: Fit for TATA, MARUTI, MAHINDRA, India HM;

Iranian models: Fit for IKCO, MVM, SAIPA;

Brazil models: Fit for FIAT; GM

LAUNCH X431 PRO3 ACE-A good scanner worthy of your trustLAUNCH X431 PRO3 ACE-High-End Functions

• Auto VIN: Helps users quickly and accurately obtain detailed information about the vehicle, saving time and improving diagnostic efficiency
• 12-In-1 Live Data Stream Graphing & Export Data as CSV/PDF File. Provides detailed data streams, including changes in the Accelerator Pedal Position Sensor, Actual Output Shaft Speed, Clutch A Actuator Motor, Vehicle Battery, and more. Graphical data allows you to analyze changes in each module more clearly and easily, making it simpler to identify issues.
• High-Frequency WIFI Updating One-click updating brings you the latest functions and software versions to meet your needs. Never waste a second of your time. 2 YEARS FREE UPDATES included.
• PMI: Personalized Module Installation. This intelligent diagnostic scanner supports module installation, personalized settings, configuration reading, writing, and calibration functions. It supports coding for more car models, with an accuracy rate far ahead of competing products. Features include VW's online coding, online parameterization, and online matching. The amount of data and calibration functions exceeds those of competitors, and the number of supported hidden models and functions is also superior.
• Online Maintenance: Resources Includes How-to Videos, operation skills, DTC guidances, user manuals, Q&A, quick start guides, and more. These resources show you how to use the diagnostic tool to solve common faults.
• Remote Diagnosis & Feedback: Remote diagnostics allows technicians to remotely connect to the vehicle's diagnostic system via the Internet to perform fault diagnosis and repairs. If you encounter any difficulties or find errors during use, you can send feedback to LAUNCH technicians and they will promptly address the problem.
• Diagnostic Report Print & Share: With the LAUNCH X431 PRO3 ACE car scanner, a comprehensive vehicle diagnosis record is automatically generated, making it easy to review and compare at any time. You can also print these records into paper reports for customers, providing them with detailed insights into their vehicle's condition and the necessary repairs.
• 25+ Languages: Serve global users in different languages and reduce language barriers. 25+ languages including English, French, Spanish, German, Russian, Korean, Japanese, Portuguese, Italian, Polish, Dutch, Hungarian, Finnish, Simplified, Czech, Turkish, Greek, Arabic, Danish Persian, Romanian, Serbian, Swedish, Chinese Traditional.
• 2 YEARS FREE UPDATE SUPPORT: LAUNCH X431 PRO3 ACE scan tool provides a 2-year updating (no charge) to extend a longer service period and save money for you.

10+ Expansion Modules and Professional Technical Services7/24/365 Tech-nical Support, 90-Day Ref-und/Re-turn, 2-Year Fr-ee Update, 24-Month Maintenance

This LAUNCH scanner can be used with the following service tools to better meet your various repair needs!

1. Smartlink C HD: This function enables X431 PRO3 ACE to do full comprehensive HD truck diagnostic functions for cars and trucks from 12V to 24V.
2. Oscilloscope: to quickly acquire the circuit signal, and slowly display the waveform for better data analysis.
3. S2-2 Sensorbox: designed to diagnose and simulator vehicle sensor faults quickly and conveniently.
4. S2-2 Multimeter: Allows you to measure the physical parameters such as voltage, resistance, frequency etc. It utilizes the same hardware as the S2-2 Sensorbox.
5. Videoscope: Helps technicians check for problems in hard-to-reach areas of the vehicle. With 6 levels of light intensity, technicians can easily adjust the brightness according to the environment.
6. BST360 (Battery Tester):to get a thorough test of the vehicle battery.
7. ADAS Calibration: ADAS Calibrate a wide range of camera-based & radar-based driver assistance systems, Operate ADAS calibration to vehicle cameras, LKA system, ACC system, LDW system, and AVM system.
8. TSGUN TPMS Device:a professional tire pressure diagnostic tool that integrates TPMS sensor activation, reading, learning. It activates reading tire pressure information by receiving signals at low or high frequencies. Check for abnormal conditions in time to prevent tire pressure problems.
9. Mall service:Get more special function and advanced function.

**Notice**: These function are sold separately.You can perform more comprehensive vehicle inspections with LAUNCH PRO3 ACE,need EXTRA-BUY )

What You Will Get in the LAUNCH X431 LAUNCH PRO3 ACE automotive obd2 scanner?

• LAUNCH X431 PRO ACE Display tablet,DBSCAR VII connector,US/UK/EU Plug,HD15M to OBDII 16 adaptor,Fuse,Password envelope,Quick start guide,User manual
• 12 Connectors & 4 Cables:BENZ-14,BENZ-38,BMW-20,CHRYSLER-6, FORD-6+1, NISSA-14+16 ,GM/VAZ-12,HONDA-3 ,KIA-20 ,MI TSUBISHI/HYUNDAI-12+16 ,TOYOTA-22,TOYOTA-17; Cables:HDB15F to HDB15F data cable,Type-A to Type-C USB cable,Cigarette lighter cable,Battery clamps cable