The Launch X431 V+ SmartLink HD (PRO3 LINK HD) is a commercial vehicles diagnostic tool designed for use with trucks, buses, agricultural vehicles, trailers, and other heavy-duty equipment. It comes with the SmartLink C 2.0 VCI for enhanced compatibility and connectivity. The tool is designed to provide comprehensive diagnostic capabilities for commercial vehicles, helping to identify and address issues with the vehicle's systems and components.
1. Automatic diagnosis
4. Special functions
6. Vehicle coverage
8. Upgrade center
9. Mall
10. Setting
11. Feedback
12. Toolbox and more...
Newly added two new visual service functions: Graphical Cylinder Shutoff and Graphical AdBlue Metering Amount (March 20th, 2025)
These two features enhance the diagnostic experience and provide real-time visualizations that make your work easier and more efficient.
How to find these new features?
Method 1: by “Service Function”
Tap “Service Function” on the main menu, and select “Cylinder Deactivation Compression” or
“Urea Drive (DEF)”
Method 2: by “Local Diagnosis” function
Tap “Local Diagnosis” on the main menu to enter
The “Actual Value” column displays simulated data from the software, which may differ from real vehicle data. Please refer to the actual vehicle data within this function. (Update the software for certain vehicle models to the latest version to access the graphical feature, including BENZ, IVECO, SCANIA, MAN, CUMMINS, and DEUTZ…)
The software for selective Heavy-Duty and Commercial Vehicles on December 27th, 2024. (require SmartLink C+ truck software packages and adapters):
| Software |
Version |
Update Info |
| HD_International |
V10.93 |
Optimized the structure of the software and the structure of the manually select. |
| HD_Autocar |
V10.11 |
Optimized the structure of the software and the structure of the manually select. |
| HD_Capacity |
V10.11 |
Optimized the structure of the software and the structure of the manually select. |
| HD_Sterling |
V10.82 |
Optimized the structure of the software and the structure of the manually select. |
| HD_ThomasBuilt |
V10.11 |
Optimized the structure of the software and the structure of the manually select. |
| HD_Western_Star |
V10.82 |
Added quick entry for commonly used special functions and optimized the structure of the manually select. |
| HD_Fast |
V10.30 |
Systems of F6A75 Series, FC7A180&280 Series, FC6A145R Series, 2E Series, 4E Series, 6E Series, FHEV_C6JZ Series, FHEV_C8JZ Series are added. |
| HD_Hino |
V18.80 |
Added special functions for Hino body control system, front radar (KNORR) system, front radar system, brake system, and drive support system; optimized version information and test interface. |
| HD_Bosch |
V16.65 |
Added the Foton P2003 EDC17C81, JMC P2227 MD1CS089,
YUCHAI P2061 MD1CC878, YUCHAI P2084 MD1CC878, SANY
P2384 MD1CE100, FUTIAN P2256 MD1CS089, QUANCHAI P2080
MD1CC878, QUANCHAI P2072 EDC17C63, QUANCHAI P1765
EDC17C63+DPF, and XINCHAI P1838 EDC17CV54 systems.
Optimized the DPF regeneration, Cylinder cutout function. |
Compared with X-431 HDIII, the SmartLink C 2.0 is more powerful in function.
It supports super remote diagnosis.
The transmission speed is faster and more stable.
The visual operation interface makes it more convenient.
It supports commercial vehicles, passenger vehicles, new energy and other models.
X431, Sinotruk X431, SITCAR heavy truck X431, Sunlong Bus (SUNLONG) X431, heavy truck Jiangling X431, diesel version Toyota
The SmartLink C system consists of the following two parts:
1.SmartLink Service Platform -- For binding the SmartLink C dongles and posting the remote repair orders (*Note: Orders can be submitted only after the SmartLink C dongle is successfully bound)
2. SmartLink C Dongle -- Connects with vehicle’s Data Link Connector (DLC) to obtain vehicle information before submitting repair orders.
Launch SmartLink C 2.0 Vehicle List
AGCO HD, AISIN HD, Allison HD, Ashok Leyland HD, Astra HD, Bendix_ABS HD, CASE HD, Caterpillar HD, Credo HD, Cummins, Detroit HD, DEUTZ HD, Doosan HD, Eaton HD, EICHER HD, ERF HD, FLEXICOIL HD, Freightliner HD, USAFORD DS, Fuso HD, Haldex_ABS HD, HATZ HD, Hino HD, HITACHI HD, Hyundai HD, International HD, IrisBus HD, Irizar HD, Isuzu HD, Iveco HD, JAC HD, JCB HD, John Deere HD, Kenworth HD, KNORR HD, LIEBHERR HD, Mack, Mahindra HD, Man HD, Maxxforce HD, Mercedes-Benz HD, Miller HD, Mitsubishi DS, MWM HD, Neoplan HD, NEW HOLLAND HD, Nissan DS, OBD HD, Paccar HD, Perkins, Peterbilt HD, PSI HD, Renault HD, Scania, Setra HD, Sitcar HD, Sterling HD, Steyr HD, Tata HD, Toyota DS, TRAILER HD, UD, VOITH HD, Volvo HD, Wabco_ABS HD, ZF HD, etc.
120 diagnostic softwares are available currently, which is continuously updated.
Launch SmartLink HD Functions Display
Automatic diagnosis, local diagnosis, remote diagnosis, special functions, ADAS, vehicle coverage, Info center, upgrade center, mall, setting, feedback, toolbox and more...
Automatic diagnosis
The modular design reduces redundant scanning steps and makes diagnosis more accurate and efficient.
Local Diagnosis
The diagnostic software in this function is classified by brand and vehicle type to solve the previous menu confusion problem. Technicians can quickly select the diagnostic software they need through different menus to improve work efficiency.
Data Stream
Supports diverse data stream display modes and user-defined standard data streams.
Remote Diagnosis
Super remote diagnosis is based on the SmartLink C-side diagnostic box connected to the vehicle. Maintenance technicians can use X431 diagnostic equipment, original equipment or other third-party brand equipment to remotely detect, diagnose and program the vehicle through the LAUNCH server platform.

The remote diagnosis function can realize real-time communication between equipment and equipment or equipment and computer to complete vehicle remote diagnosis. It becomes a reality for repair technicians to diagnose vehicles thousands of miles apart.
Special Functions
It supports 30+ special functions commonly used in most car models, such as DPF Regen, Parameter Setting, Cylinder deactivation compression, Oil Mantenance Reset, Injector Coding, Speed Limit Adjustment, Idle Speed Adjustment, Fan Calibration, Remote Throttle, Urea Drive(DEF), Deep clearing of DTCs, Flash Data Conversion, Brake Reset, Transmission replacement, Nox Sensor, TPMS Relearn, ABS Bleeding, Aftertreatment, Immobilizer, Steering Angle, Suspension, Throttle Relearn, Windows Relearn, Language Change, Tire Size Change, ABS/SRS Reset, VGT Relearn, PTO Change, Clutch Relearn, Trans Relearn, etc., and is continuously updated.
ADAS
ADAS HD Calibration, Product Introduction, Product Manual, Adjustment Steps, ADAS Vehicle Coverage

Vehicle Coverage
It displays the list of testable models with current configuration. You can quickly find the corresponding software through the initial letter search and text input search functions. View the diagnostic software version, year, and system data at the same time.
Info Center
The info center contains equipment information, overall information, maintenance data and other information.
X-431 FIX
X-431 FIX maintenance data can be purchased through the mall, and LAUNCH will provide a service account. Technicians can search for information through the entrance provided on the fault code page or in X-431 FIX in the menu of "Repair Info".
Upgrade Center
It supports one-click upgrade of operating system, client, vehicle model software and firmware.
User Info
User info includes "My Report", "VCI", "VCI Management", "Activate VCI", "Firmware Fix", "Sample", "My Order", "Profile", etc.
Mall
The mall includes software store, service upgrade, other goods, etc.
Setting
Setting includes Units, shop information, printer set, clear codes, about, Auto update, device account management, log out...
Feedback
When users encounter vehicle models and functional abnormalities under special circumstances during use, they can provide their opinions to Launch through diagnostic feedback, and specialized technical personnel will track and deal with the problem.
Toolbox
It includes
oscilloscope,
S2-2 sensorbox, multimeter(S2-2),
BST360,
Videoscope
Including intelligent diagnosis, traditional diagnosis, remote diagnosis, special functions, ADAS, testable models, information center, upgrade center, mall, and more functions. More pages include personal center, diagnostic records, diagnostic feedback, product manuals, FAQs, and toolboxes
Support Car List
AGCO HD, AISIN HD, Allison HD, Ashok Leyland HD, Astra HD, Bendix_ABS HD, CASE HD, Caterpillar HD, Credo HD, Cummins, Detroit HD, DEUTZ HD, Doosan HD, Eaton HD, EICHER HD, ERF HD, FLEXICOIL HD, Freightliner HD, USAFORD DS, Fuso HD, Haldex_ABS HD, HATZ HD, Hino HD, HITACHI HD, Hyundai HD, International HD, IrisBus HD, Irizar HD, Isuzu HD, Iveco HD, JAC HD, JCB HD, John Deere HD, Kenworth HD, KNORR HD, LIEBHERR HD, Mack, Mahindra HD, Man HD, Maxxforce HD, Mercedes-Benz HD, Miller HD, Mitsubishi DS, MWM HD, Neoplan HD, NEW HOLLAND HD, Nissan DS, OBD HD, Paccar HD, Perkins, Peterbilt HD, PSI HD, Renault HD, Scania, Setra HD, Sitcar HD, Sterling HD, Steyr HD, Tata HD, Toyota DS, TRAILER HD, UD, VOITH HD, Volvo HD, Wabco_ABS HD, ZF HD, etc.
120 diagnostic softwares are available currently, which is continuously updated.

Launch X-431 V+ SmartLink HD Parameters
Processor 2.0GHz 4 core
Operating system Android 10.0
Memory 4GB
Storage 64GB
Battery 47880mWh (7.6 V, 6300mAh)
Display 10.1 inches 1280*800
Camera rear 8 million pixels
WIFI 2.4GHz/5GHz (dual band)
Interface TYPE A *1 &TYPE C*1
Working temperature 0~50℃
Size 274*190.5*40.5mm
SmartLink C 2.0 Parameters
CPU dual processor Cortex-A7+Cortex-M7
Operating system Linux
Resolution 320x480
Power consumption < 6w
Storage 8GB
Memory 256M
Working temperature 0℃~50℃
Working voltage 9V DC—36V DC
Dimensions: 200mm×110mm×47mm
Communication method WIFI/Bluetooth/Ethernet
Package Includes:
1pc x Launch X-431 V+ SmartLink HD tablet
1pc x SmartLink C 2.0 connector
1pc x Type II OBD-9 connector
1pc x IVECO 36 connector
1pc x OBD16 connector
1pc x OBD 6 connector
1pc x CAT 9 connector
1pc x BENZ 14 connector
1pc x RENAULT 12 connector
1pc x VOLVO 8 connector
1pc x MAN 37 connector
1pc x MAN 12 connector
1pc x IVECO 38 connector
1pc x ISUZU 20 connector
1pc x Jumpers
1pc x Test cable
1pc x OBD main cable
1pc x Power cable clips
1pc x Lighter
1pc x Jumper 10
1pc x HY-16 cable
1pc x M/F 12+16 cable
2pcs x USB cables
1pc x Standard power adapter
6pcs x Fuses
2pcs x Boxes
1pc x User manual
1pc x Password letter
9pcs x Jumpers
