Product Description
The X-431 SmartLink C HD V2 is a next-generation commercial vehicle expansion package, equipped with the SmartLink C V4 . Building on the full core advantages of the SmartLink C V2, it features a more compact size and superior performance.
LAUNCH X-431 SmartLink C HD V2 Commercial Vehicle Overseas Online Expansion Package
1. Hardware Performance Upgrade
The adapter's performance has been significantly enhanced: its CPU has been upgraded from a single-core to a dual-core processor, with the clock speed increased to 1.7 GHz. The RAM has been expanded from 256 MB to 1 GB, greatly accelerating computational response speed and making instruction execution more efficient. The CAN bus has been upgraded to 4‑way CAN FD, comprehensively improving communication bandwidth and transmission capabilities to meet the diagnostic requirements of more new vehicle models.
2. Diagnostic Function Upgrades
Visualized Diagnostic Functions: Supports graphical display of special functions, topology diagrams, and data streams. Data trends are intuitively visible, enabling more precise and efficient fault pinpointing, and eliminating the tedious interpretation of plain text.
High-Speed Scanning: Adopts multi-channel synchronous scanning technology to process diagnostic tasks in parallel. Compared with traditional single-channel scanning, it significantly improves efficiency, delivers faster diagnostic speed, and saves repair time.
AI Fault Repair: Visually displays fault points and provides targeted, highly feasible optimization solutions.
Advantages
Read Data Stream: Offers various data stream display modes and enables users to set custom standard data streams.
Graphical visualization of special functions: Covers D&P&F, APS system, urea injection, cylinder cut‑off detection, injector coding, suspension, clutch, and other functions, with intuitive display of dynamic vehicle data.
Special Functions: Supports commonly used special functions for most vehicle models, including D&P&F regeneration, parameter setting, cylinder cut‑off compression test, service reset, injector programming, speed limit adjustment, idle speed adjustment, fan calibration, remote throttle, urea injection drive, deep DTC clearing, transmission adaptation, NOx sensor, and others – covering a total of 20 special functions, with continuous updates.
AI Fault Repair: Intuitively pinpoint fault locations and deliver targeted, highly feasible optimization solutions
High‑Speed Diagnosis: Equipped with multi‑channel detection technology, it significantly improves operational efficiency and represents a major upgrade to vehicle diagnostic functions.

Product Specifications Comparison Between SmartLink C V2 and SmartLink C V4
| |
SmartLink C V2 |
SmartLink C V4 |
| CPU |
Single-core 528MHz |
dual-core 1.7G |
| Working Voltage |
DC 9V ~ 36V |
DC 8V ~ 36V |
| Screen |
3.95 inches, 320*480 |
5 inches, 1280*720 |
| RAM |
256M |
1G |
| Storage |
8G |
8G |
| Communication |
Local Diagnosis: WIFI/BT/USB
SmartLink Remote Diagnosis: Wi‑Fi / Wired |
Local Diagnosis: WIFI/BT/USB
SmartLink Remote Diagnosis: Wi‑Fi / Wired |
| WIFI |
WIFI 5 |
WIFI 6 |
| Bluetooth |
BT4.2 |
BT5.0 |
| I/O |
DB15 male, USB-B, RJ45, DC IN |
DB15 female, USB-B, RJ45, DC IN |
| Working Tenperature |
0℃ ~ 50℃ |
0℃ ~ 50℃ |
| Size |
200*47*110mm |
187.6*32.8*106mm |
| Weight |
0.55kg |
0.35kg |
Specifications:
System: Linux
Processor Clock Speed: Dual‑core 1.7 GHz
Input Voltage: 8–36 V
RAM: 1 GB
Storage: 8 GB
Display: 5‑inch capacitive multi‑touch screen, resolution 1280×720
Wi‑Fi: Wi‑Fi 6
Bluetooth: 802.11 a/b/g/n/ac/ax + BT 5.0
Operating Environment: Operating temperature: –10 to 50°C; Operating humidity: 20%–90%
Storage Environment: Storage temperature: –20 to 70°C; Storage humidity: 10%–90%
I/O Ports: USB 2.0 Type‑B, RJ45, DC IN, DB15 female connector
Diagnostic Communication: Wi‑Fi / Bluetooth / USB
Dimensions (Main Unit): Approx. 180 × 80 × 26.5 mm
Package includes:
1pc x X-431 SmartLink C V4
1pc x JUMPER‑10 Diagnostic Adapter Connector (JUMPER 10)
1pc x HYUNDAI‑16 Linear Diagnostic Connector (HY 16)
1pc x Type II OBD‑9 Integrated Diagnostic Connector (Type II OBD 9)
1pc x OBD 16 Integrated Diagnostic Connector (OBD 16)
1pc x RENAULT‑12 / Renault 12‑PIN Integrated Diagnostic Connector (RE 12)
1pc x MAN‑37 Integrated Diagnostic Connector (M 37)
1pc x BENZ‑14 Integrated Diagnostic Connector (BZ 14)
1pc x MAN‑12 Integrated Diagnostic Connector (M 12)
1pc x IVECO‑38 Integrated Diagnostic Connector (IV 38)
1pc x IVECO‑30 Integrated Diagnostic Connector (IV 30)
1pc x OBD 6 Integrated Diagnostic Connector (OBD 6)
1pc x VOLVO‑8 Integrated Diagnostic Connector (VO 8)
1pc x Caterpillar-9 Integrated Diagnostic Connector (CT 9)
1pc x MITSUBISHI‑12+16 Linear Diagnostic Connector (M/F 12+16)
1pc x DB15M to HDB15F Test Mainline (includes HD15M to OBDII 16 male integrated test connector)
4pcs x Electrically controlled switching line 9
4pcs x Electrically controlled switching line 8
4pcs x Electrically controlled switching line 7
4pcs x Electrically controlled switching line 6
4pcs x Electrically controlled switching line 5
4pcs x Electrically controlled switching line 4
4pcs x Electrically controlled switching line 3
4pcs x Electrically controlled switching line 2
4pcs x Electrically controlled switching line 1
1pc x RJ45 to RJ45 connection cable
1pc x USB A-type to B-type cable
1pc x Cigarette Lighter line
1pc x Dual Clamp Power Line
2pcs x Fuse AC250V/5A, 6×30 mm
4pcs x Fuse AC250V/5A, 5×20 mm
1pc x GPSR Safety warning language
1pc x Universal PIN Envelope
1pc x Quick Start


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Shipping method and delivery time:
UK Shipping (No Tax) : 2-4 working days arrive. For products marked " UK Ship " and UK local customer
EU shipping (No Tax) : 5-7 working days arrive. For products marked " EU Ship " and from EU countries, if not belong to EU, need to clearance
Yodel (No Tax) : 5-7 days arrive . For products UK out of stock, and customers from UK
Yun Express ( No Tax) : 5 - 9 working days to UK, 7-14 days to other European Countries.
Yanwen (No Tax) : 5 - 9 working days to UK, 7-14 days to other European Countries, ship to all over the world, mainly for UK/EU warehouse no stock
DHL: need to clearance, 3-5 working days arrive. Used for UK/EU no stock, customers request ship this way. Need to clearance, we will declare a low price on the invoice help to clearance.
If you have any questions about the device, the price, or the payment, please feel free to contact us.
Contact Person: Elyza
Whatsapp: +86 13983755934
Telephone: +86 13983755934
Wechat: +86 13983755934
Official Email: Sales@obd2shop.co.uk