Overview
The LAUNCH X431 Smartlink HGV is a professional truck diagnostic scanner for HGVs, buses, construction and agricultural machinery. It delivers full-system diagnostics, 40+ special functions and powerful bi-directional tests, making it ideal for fleet workshops and diesel specialists.
This Smartlink configuration focuses on truck, bus and machinery diagnostics. It does not include full 12V petrol car software by default, but you can add 12V passenger car software later via the built-in Launch Mall if required.
If you would like to compare against this kit, please take a look at the other commercial vehicle diagnostic tools we offer.
Key Features
Key Features
Full-System scan for HGVs, Buses & Machinery Diagnostics
Comprehensive diagnostics for heavy-duty trucks, buses, plant and machinery, covering all major ECUs including engine, transmission, brakes, after-treatment, suspension, body and chassis systems (vehicle-dependent).
40+ Professional Service & Reset Functions
Includes DPF regeneration, AdBlue/SCR functions, injector coding, speed limit and idle adjustment, ABS and EGR tests, fuel pump shut-off, NOx sensor functions, fan calibration and more — ideal for resolving derate and emissions-related faults.
Advanced Bi-Directional Control (Actuation Tests)
Perform powerful active tests such as injector shut-off, cylinder balance and compression tests, SCR commands, rail pressure tests, VGT turbo calibration, glow relay activation and parameter changes for fast, accurate fault tracing.
SmartLink VCI with Multi-Protocol Communication
Features SmartLink VCI with Wi-Fi, Bluetooth and Ethernet connectivity, supporting J1939, J1708, J1587, J27145 and multiple CAN/K-line protocols.
Extensive Commercial Vehicle Coverage
Supports diagnostics on 100+ commercial vehicle manufacturers across Europe, the USA and Asia.
DPF & After-Treatment Specialist Functions
Supports active and forced DPF regeneration, differential pressure testing, DPF/DPR state reset, SCR and AdBlue system testing — ideal for fleets with repeated DPF clogging or engine derate issues.
All-Systems OE-Level Diagnostics
Access engine, transmission & retarder, ABS/EBS, SCR/DPF, suspension, HVAC, instrument cluster, body & lighting, common rail, unit pump and natural gas systems (where supported), with full fault code reading, live data and ECU information.
Smart Workshop Diagnostic Tools
Includes Auto VIN identification, live data graphing, automatic diagnostic report creation (PDF export via Wi-Fi), diagnostic history & playback, and built-in maintenance help with guides and videos.
Remote Diagnostics & Technical Feedback
SmartLink enables remote diagnostics from another Launch device, plus feedback submission to Launch engineers for advanced technical analysis.
High-Performance Android Diagnostic Tablet
Supplied with a 10.1″ Android tablet featuring 4GB RAM, 64GB storage and a long-life 6300mAh battery, designed for daily professional workshop use.
Long-Term Software Support
Includes 2 years of free online updates. The tool remains fully functional after expiry, with no forced subscription.
Multi-Language Support
Supports 25+ languages including English, German, Spanish, French, Polish, Turkish and more.
Why Buy LAUNCH Smartlink Truck Diagnostic Scanner?
If you work on HGVs, buses, plant or agricultural machinery, this kit is designed specifically for you – not as a car tool with truck “add-on”, but as a dedicated commercial vehicle diagnostic platform.
Why it’s a strong choice:
- Built for trucks & machinery – full systems on 24V HGVs plus strong after-treatment support
- Deep functions – 40+ special functions, cylinder tests, DPF, AdBlue, injector, speed limit and more
- Smartlink VCI – stable Wi-Fi/Bluetooth/Ethernet, ideal for large workshops and big vehicles
- Wide global coverage – American, European and Asian truck brands in one tool
- Workshop-friendly – big 10.1″ screen, strong hardware and practical reporting/feedback features
- No dead tool after 2 years – software keeps working even if you don’t renew updates
If you need a serious 24V truck diagnostic tool that can handle engines, ABS/EBS, DPF/AdBlue and complex tests across mixed fleets, the LAUNCH X431 V+ Smartlink HGV is a very capable, future-proof choice.
Functions
Main Functions
Commercial Vehicle Diagnostic Tools
For supported 24V vehicles, the X431 V+ Smartlink can access all available ECUs, including (varies by vehicle):
- Engine system
- Transmission & retarder system
- ABS / EBS & brake control systems
- SRS / airbag (where fitted)
- Tail-gas after-treatment / SCR / DPF systems
- CAB climate / HVAC
- Suspension & air suspension
- Instrument cluster
- Body & lighting systems
- Common rail & unit pump systems
- Natural gas systems
Core functions:
- Version information
- Read fault codes
- Clear fault memory
- Live data stream (with graphing)
- Actuation / bi-directional tests
- Special functions (resets, adaptations, coding – where supported)
40+ Special Functions
Available functions depend on brand & ECU, but include:
- VIN read / writing
- Oil service reset
- DPF regeneration & DPF-related resets
- Parameter setting
- Speed limit adjustment
- Idle speed adjustment
- SCR after-treatment tests
- ABS tests
- EGR tests
- Injector shut-off tests
- Injector code read / writing
- Fuel pump shut-off tests
- Vehicle speed control
- AdBlue / urea injection tests
- Turbo control tests
- Exhaust pressure adjustment
- Cylinder shut-off tests
- Cylinder compression tests
- Immobiliser (where supported)
- ECU reset / programming (limited to supported ECUs)
- Fan calibration
- NOx sensor functions
Perfect for workshops handling DPF/AdBlue issues, engine derate faults and fleet performance problems.
Bi-Directional Control (Actuation Test)
The Smartlink HGV kit supports powerful bi-directional / active tests, for example (model-dependent):
- Cylinder cut-out and balance tests
- Cylinder compression tests
- Injector volume commands & programming
- SCR commands & after-treatment resets
- Rail high-pressure tests
- DPF forced regenerations / DPD forced regen
- VGT (variable geometry turbo) calibrations
- Glow relay activation
- Parameter changes (e.g. speed limit, idle settings)
This lets you test components under command rather than guessing, dramatically speeding up diagnosis.
DPF Regeneration & After-Treatment Support
For diesel after-treatment systems, the tool supports:
- Active / forced DPF regeneration
- Passive regen related information and monitoring
- DPF / DPR state reset
- Differential pressure testing
- DPF / DPD forced regen procedures
Ideal for fleets with repeated DPF clogging, derate events or exhaust after-treatment fault codes.
Smart Workshop Functions
- Auto VIN – automatic identification of compatible vehicles
- Live data graphing – visualise sensor values & compare parameters
- Automatic diagnostic report – save & export PDF reports via Wi-Fi
- History & playback – review previous diagnostics and live data recordings
- Remote diagnosis – Smartlink box allows remote assistance from another Launch device
- Feedback system – send logs & issues to Launch for technical analysis
- Maintenance help – how-to videos, quick start guides and tips built in
Vehicle Coverage
Vehicle Coverage (Inc Machinery Diagnostics)
24V Commercial Vehicles
Supports 100+ commercial vehicle and machinery brands from:
Americas (examples):
- Freightliner, Kenworth, Peterbilt, International, Mack, Western Star, Sterling
- Cummins, Detroit Diesel, Caterpillar
- Bendix ABS, WABCO ABS, Haldex ABS, PSI
- Allison, Eaton, Delphi
- John Deere, New Holland, Case, MWM
- Trailer & machinery modules
Europe (examples):
- Mercedes-Benz, MAN, Scania, DAF, Iveco, Renault Trucks, Volvo & Volvo CE
- Astra, Bremach, Deutz, JCB, Steyr, Setra, Neoplan, ZF, Bosch, Knorr, Voith
Asia (examples):
- Hino, Fuso, Isuzu, Hyundai, Mitsubishi, UD, Tata, Ashok Leyland, BharatBenz
- Aisin, Denso, Kobelco, Mahindra, Nissan, Toyota
12V Passenger Vehicles
- OBD-II / EOBD functions only for most 12V cars, vans and light vehicles (basic engine/emissions diagnostics using ISO9141, ISO14230, ISO15765, etc.)
- For full 12V car brand software, you can purchase additional car software via the Launch Mall.
- Note: Functions and coverage vary by model & year. You should check specific vehicles with the seller before purchase if you have critical requirements.
Spec / Contents
Specifications
Smartlink VCI
- Dual-core Cortex-A7 + Cortex-M7
- Linux OS, 8GB storage, 256MB memory
- Wi-Fi / Bluetooth / Ethernet communication
- 9–36V DC operating voltage (ideal for 12V & 24V systems)
- Built for workshop use
10.1″ Android Tablet
- Android 10.0
- 2.0GHz quad-core CPU
- 4GB RAM, 64GB storage (expandable)
- 10.1″ 1280×800 touchscreen
- 6300mAh battery (high-capacity)
- Dual-band Wi-Fi (2.4GHz/5GHz)
- Front 5MP & rear 8MP cameras
Kit Contents
1. Main unit
● Super remote diagnosis box V2.0
● X431 PR03 fifth generation
2. Connector
HD15F to OBDII 16 male integrated test connector,RoHS
3. Test cable
●5F to HD15F test main line (without (C),L=1000mm, RoHS
●Six Kinds Of Gigabit Networks(Blue) 15m, RoHS
● X 431 PAD4HD USB A-type tO B-type cable, ROHS
4. Accessories
●British standard conversion head, xindejla, RoHS
●European gauge conversion head, xindeJla, RoHS
●Power adapter, 5V / 5A, wire length 1.2m, with American standard conversion head, xindejia, RoHS
●Universal PIN envelope, RoHS．
● X 431 PR03 凵 NK Qulck Start (SmartLink V2. 0, Multlingual)
● X 431 pr051 cloud clinic car custom type A tO type C USB data cable, RoHS
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