LAUNCH X431 VHDIII Heavy Duty Module Wireless 24V Truck Diesel Car Diagnostic Tool Full System Obd2 Scanner Auto Diagnostic Tool

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Launch X431 V + Plus OBD2 Diagnostic Scanner Automotive OBD Auto Diagnostic Tool Box Profession Car OBD2 Scanner



Original Launch X431 V+ HD3 Wifi/Bluetooth Heavy Duty Truck Diagnostic Tool

Launch X431 V+ HD3 is a modified version of the multi-brand scanner Launch X-431 Pro which, in its new edition, received a more powerful tablet and a diagnostic function for heavy duty vehicles. The device includes all the advantages of the Pro series and is presented with advanced diagnostic algorithms that allow you to quickly and deeply test the car. The complete set HD – is intended for trucks diagnostic.

The HD package is a set of Launch x431 V+ plus the diagnostic module of trucks Launch HD Box 3.0, it turns out cheaper than buying everything separately.

Launch X431 V+ HD3 is a brand new advanced automotive fault diagnostic tool based on Android system. It passes on Launch advantages in automotive fault diagnostic technology, such as wide Car and Truck model coverage, powerful function, abundant special function and accurate test data, etc.

X-431 V+ and HD3 achieves full diesel truck model and full system fault diagnosis through the Bluetooth communication between Data Link Connector (DLC) and smart mobile terminal.

Main Features:

1. Wireless Bluetooth Diagnosis

Host machine and diagnostic connector adopt Bluetooth connection, making diagnosis more convenient.

2. Support various car models:

34 truck brands software, support more than 60 truck models. Moreover, the software is being continuously developed.

3. Industrial shockproof design

Industrial shockproof design is perfect for the working environment in repair shops.

4. Various configurations are available for selection

Suppose you are going to purchase heavy-duty truck diagnostic tool, you must choose X-431 V+, X-431 PRO3 or X-431 PAD II as host machine.

If you have already bought X-431 V+, X-431 PRO3 or X-431 PAD II gasoline configuration, now you want to test truck, just buy a heavy-duty truck module.

5. Full comprehensive diagnostic software functions.

6.Wide diagnostic software coverage. Accurate test data.

Software based on Android, matching with more diagnostic hosts

Product Features:

Intelligent diagnosis: In the state of networking, it can automatically identify vehicle information and complete rapid diagnosis. It can also check the history record of vehicle maintenance online, which is the first in the industry;

Remote diagnosis: The self-developed and patented IM remote diagnosis technology can be quickly accessed remotely through terminals such as mobile phones, tablets, computers, etc., and the network broadband and system resources occupation rate is low;

Diagnostic feedback: In the process of using the vehicle and function abnormalities under special circumstances, you can feedback the problem to Yuanzheng Company, and there will be special technicians to track and handle it;

Maintenance information: More than 1600 models, more than 10,000 GB of maintenance database, including online video, circuit diagram, maintenance manual, maintenance cases, operation skills, etc., online inquiry at any time, can also provide detailed fault code help, improve diagnostic efficiency;

Traditional diagnosis: When in a network-free environment, intelligent diagnosis cannot be used. At this time, traditional diagnosis can be selected, and the vehicle and vehicle models can be manually selected for vehicle fault detection.

Diagnostic record: record the local vehicle maintenance record, you can check the vehicle record that the machine has diagnosed, and you can quickly enter the system of the vehicle for detection when it is diagnosed again;

Software upgrade: support one-click upgrade of operating system, client, model software and firmware;

Personal Center: Personal data center, including my report, my connector, diagnostic connector connection management, connector activation, firmware repair, personal information, modify user password, settings, etc.

X-431 PRO 3S+ commercial vehicle diagnostic equipment

Diagnostic system

Engine diagnosis: support Chaochai, Dachai, Laiyang Power, Quanchai, Shangchai, Weichai, Xichai, Yangchai, Yuchai, Yunnei Power, Cummins, Xinchen Power, Chaochai Xinfeng, Great Wall Xinfeng, Doosan, Huayuan Lai, Platinum, Isuzu and other engine systems;

Natural gas diagnosis: support Cummins natural gas, Nanchong natural gas, Shangchai natural gas, Weichai natural gas, Xichai natural gas, Iveco natural gas, Yuchai natural gas, heavy gas natural gas, Chaochai natural gas, Yunzhong natural gas system, etc.;

Post-processing diagnosis: support Guangxi Sanli tail gas post-treatment, Tenneco post-treatment, Kailong post-treatment, Tianlan DCU, Bosch post-processing system diagnosis, etc.

Calibration function: support Chaochai calibration, Dongfeng Renault calibration, Cummins calibration, Shangchai calibration, Weichai calibration, Xichai calibration, Yuchai calibration, heavy truck calibration, Yangchai calibration, etc.;

ECU brush writing: support Bosch ECU brush writing, Nanyue single pump ECU brush writing, Bosch bottom layer brush writing, natural gas ECU brush writing, electric ECU brush writing, Delphi ECU brush writing, China National Heavy Duty Truck ECU brush writing, Tenneco DCU Wait;

ABS system: WABCO ABS, Delphi ABS, Knorr ABS, Bosch ABS, Komi ABS, Localized ABS (liberation), Wanan ABS, SABS, Asia Pacific ABS, Hongding ABS, Wanan ABS (liberation), Yuan Feng Qingqi ABS, Wanan Qingqi ABS, Ford ABS, Wandu ABS, Jingxi Heavy Industry ABS, etc.;

Construction Machinery: Supports dozens of engineering machinery vehicle system diagnostics.

Applicable models

China: For Dongfeng Commercial Vehicle, For FAW Jiefang, For China National Heavy Duty Truck, For Futian Commercial Vehicle, For Shaanxi Heavy Duty Truck, For Jianghuai Commercial Vehicle, For Hongyan Heavy Duty Truck, For Beiben Heavy Duty Truck, For Jinlong Bus, For Xiamen Golden Passenger Car, For Haige Bus, For Wuzhou Dragon Bus , For Yutong Bus, etc.;

⁣Asia: For Hino, For Fuso, For Isuzu, For UD Truck, For Hyundai Truck, For Ashok Leyland, etc.;

Americas: For Freightliner, For IWC, For Kenworth, For Peterbilt, For Sterling, etc.;

Europe: For Mercedes-Benz commercial vehicles, For Mann, For Iveco, For Volvo, For Renault, For Duff, For Scania, For Kamas and so on.

⁣How to Activate X431 HD3 & Download Software:

If you had a diagnostic tool of 12V passenger car configuration and intend to extend the diagnostics of commercial vehicles, follow the steps described below to activate the HD III:

Note:Please make sure that the diagnostic tool is properly connected to the Internet before proceeding this step.

1. Launch the application, and log in the system using the existing user account of Passenger Vehicle Configuration, and then tap “Personal Center (or )” -> “Activate VCI (or “Activate Connector )”.

2. Input the Product S/N and Activation Code, which can be found in the supplied Password Envelope, then tap “Activate” to activate the HD III.

3. Tap “Update” to enter update center, tap “Update” to download and install the diagnostic software of Commercial vehicles.

4. After the software download is complete, a new “Heavy-duty” tab will appear on the Diagnostic main menu screen.

Launch X431 V+ HD3 Software list:

1 X431, USA FORD Diagnostic Software diesel

2 After the X431, heavy card processing system diagnostics software

3 ASTRA diagnostic software

4 Benz heavyduty diagnostic software

5 Bosch diesel diagnostic software

6 BREMACH diagnostic software

7 China heavyduty diagnostic Software

8 Cummins heavyduty diagnostic software

9 DAF diagnostic software

10 ERF diagnostic software

11 FAW Liberation diagnostic software

12 Foton Auman diagnostic software

13 FUSO diagnostic software

14 Hino diagnostic software

15 Hyundai heavyduty diagnostic software

16 Isuzu heavyduty diagnostic software

17 Iveco heavyduty diagnostic software

18 JAC heavyduty diagnostic software

19 Mack heavyduty diagnostic software

20 MAN diagnostic software

21 OBD heavyduty diagnostic software

22 SCANIA diagnostic software

23 Shangchai diagnostic software

24 Volvo heavyduty diagnostic software

25 WP diesel diagnostic software

26 X431, Airbus diagnostic software

27 X431, ALLISON transmission box diagnosis software

28 X431, Ashok Rejlander the diagnostic software

29 X431, Caterpillar heavy vehicles Diagnostic Software

30 X431, Chai heavy vehicle diagnostic software

31 X431, Chaoyang Diesel diagnostic software

32 X431, construction machinery diagnostic software

33 X431, CREDO heavy vehicle diagnostic software

34 X431, DETROIT engine diagnostic software

35 X431, Dongfeng commercial vehicle diagnostic software

36 X-431, Dongfeng Yufeng diagnostic software

37 X431, Freightliner heavy-duty truck diagnostic software

38 X431, full diesel diagnosis software

39 X431, HD ABS system diagnostic software

40 X431, hd_goldendragon diagnostic software

41 X431, hd_international vehicle diagnostic software

42 X431, HD_TATA diagnostic software

43 X431, hd_western_star vehicle diagnostic software

44 X431, heavy truck presentation software

45 X431, heavy vehicles Jiangling diagnostic software

46 X431, IRISBUS heavy vehicle diagnostic software

47 X431, IRIZAR heavy vehicle diagnostic software

48 X431, NEOPLAN heavy vehicle diagnostic software

49 X431, Renault diagnostic software for heavy vehicles

50 X431, SETRA heavy vehicle diagnostic software

51 X431, SITCAR heavy vehicle diagnostic software

52 X431, Stannic bavin diagnostic software

53 X431, Sterling heavy vehicle diagnostic software

54 X431, Sunlong bus ( SUNLONG ) diagnostic software

55 X431, sunwin bus ( SUNWIN ) diagnostic software

56 X431, UD Trucks 2F Nissan Diesel Diagnostic Software

57 X431, Yang Chai engine diagnostic software

58 X431, Zhongtong bus ( ZHONGTONG BUS ) diagnostic software

59 X431,BONLUCK diagnostic software

60 X431,HD_KENWORTH deagnostic software

61 Yuchai diagnostic software

Launch X431 V+ HD3 FAQs:

1.Communication error with vehicle ECU?

Please confirm:

1) Whether the VCI is properly connected.

2) Whether the vehicle ignition switch is ON.

3) If all checks are normal, send vehicle year, make, model and VIN number to us using Dia. Feedback feature.

2. Failed to enter into vehicle ECU system?

Please confirm:

1) Whether the vehicle is equipped with the system.

2) Whether the VCI is correctly connected.

3) Whether the vehicle ignition switch is ON.

4) If all checks are normal, send vehicle year, make, model and VIN number to us using Diagnostic Feedback feature.

3. How to save power?

1) Please turn off the screen while X-431 V+ keeps idle.

2) Set a shorter standby time.

3) Decrease the brightness of the screen.

4) If WLAN connection is not required, please turn it off.

5) Disable GPS function if GPS service is not in use.

4. How to handle when you encounter “Insufficient storage space”?

If this happens while downloading the diagnostic software, please proceed as


1. Get your X-431 V+ username and password ready. If you forgot the password, please dial our after-sales support center hotline to retrieve it with the product Serial Number.

2. Reset the X-431 V+ to the default factory settings (For details, please refer to Item 5 in this Chapter).

3. Tap “Settings” -> “WLAN”, slide the switch to ON and then choose the desired WLAN network to connect.

4. Open the browser and visit to download and install the latest App.

5. After the installation is complete, launch the application and login with your username and password.

6. Tap“Update” to download the diagnostic software.

Note: For new App, the software structure and storage space occupied by the vehicle

software have been optimized so as to avoid the occurrence of insufficient storage.

5. How to reset X-431 V+?

Resetting may cause data loss. Before doing so, please make sure important data

and information has been backed up.

Do the following to reset X-431 V+:

1. Tap “Settings” -> “Back & Reset”.

2. Tap “Factory data reset”.

3. Tap “Reset tablet”.

4. Tap “Clear all data” to start resetting until the tool automatically reboots.

6. The diagnostic application is failing.

1. Press the Home key on the tool.

2. Select “Settings”-> “Apps”.

3. Select the application name from the Apps list.

4. Select “Force Stop”, and then press “OK” to confirm.

5. Select “Clear Data”, and then press “OK” to confirm.

Host parameter:

CPU: 1.4GHz quad core

Operating system: Android 7.1

Memory: 2G

Storage: 16GB, support 128G expansion

Display: 10.1-inch capacitive screen

Screen resolution: 1280×800

Camera: 5 million pixels behind

Weight: about 0.50 kg

Size: 264x210x30 (mm)

Working temperature: -10 ° C ~ 50 ° C

Diagnostic box parameters

CPU: 120MHz

Power consumption: ≤3W

Working voltage: DC 9-36V

Working temperature: -10 ° C ~ 50 ° C

Communication method: USB+ Wi-Fi+ Bluetooth

Size: 204x110x45 (mm)

Launch X431 V+ HD3 Package includes:

1pc x X-431 V+(V3.0) host

1pc x PAD4HD- Type II OBD-9 X431 diagnostic connector

1pc x X-431 HD_III_VCI diagnostic kit Business Edition (RM08)

1pc x X431 PAD IV HD-BENZ-14 / Mercedes 14PIN diagnostic connector

1pc x X431 PAD IV HD-CAT-9 / Carter 9PIN diagnostic connector

1pc x X431 PAD IV HD-HYUNDAI-16 / Modern truck 16PIN diagnostic connector

1pc x X431 PAD IV HD-IVECO-30 / In Victoria Ho 30PIN diagnostic connector

1pc x X431 PAD IV HD-IVECO-38 / In Victoria Ho 38PIN diagnostic connector

1pc x X431 PAD IV HD-MAN-12 / Man 12PIN diagnostic connector

1pc x X431 PAD IV HD-MAN-37 / Man 37PIN diagnostic connector

1pc x X431 PAD IV HD-MITSUBISHI-12 + 16 / Fuso 12 + 16PIN diagnostic connector

1pc x X431 PAD IV HD-OBD-16 diagnostic connector

1pc x X431 PAD IV HD-OBD-6 diagnostic connector

1pc x X431 PAD IV HD-RENAULT-12 / Renault 12PIN diagnostic connector

1pc x X431 PAD IV HD-VOLVO-8 / Volvo 8PIN diagnostic connector

1pc x Heavy truck diagnostic X431 PAD4HD mainline



1pc x Adapter, 5V/2A, American Standard (Lenovo plate supporting)

1pc x X431 PIN envelope

1pc x X-431 V+ HD3 English quick start

1pc x X431, PRO3S+, B, USB, Micro, USB

1pc x Clipper fuse 5*20mm

1pc x Lighter fuse 6*30mm

1pc x X-431 Power supply

Special Features:
Software Version:
Android 7.1
Software Update:
Hardware Version:
The Newest Version
Item Type:
Code Readers & Scan Tools
Item Type:
Code Readers & Scan Tools
Modified Item:
OBD Interface:
5 million pixels behind
Communication method:
USB+ Wi-Fi+ Bluetooth
Supported System:
Vehicle Type:
Heavy Duty/Commercial
1.4GHz quad core
Non-Domestic Product:
Operating system:
Android 7.1
Screen resolution:
16GB, support 128G expansion
Heavy Duty Truck Diagnostic Tool
10.1-inch capacitive screen
Host Size:
264*210*30 (mm)
Main Features 1:
Wireless Bluetooth Diagnosis
Main Features 2:
Support various car models
Main Features 3:
Industrial shockproof design
Main Features 4:
Various configurations are available for selection
Main Features 5:
Full comprehensive diagnostic software functions
Main Features 6:
Wide diagnostic software coverage

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