The X431 HD old model will work with LAUNCH X431 V+, X431 PRO3, X431 PADII, and it also works with other Andorid tablets, witch comes with ROM 4G, RAM 8G.
The HD 3 module must work on any of the x431 v plus or pro3 or pad ii account which old customer have purchased before and have been activated by LAUNCH already.
| Launch X431 heavy duty module | HD Old heavy duty adapter | HD III New heavy duty adapter |
| Image |  |
 |
| Version | Old | New |
| Year | Before 2019 | After 2019 |
| Price | 748 usd(Free shipping) | 795 usd(Free shipping) |
| Communication to the vehicle | Bluetooth: YesWLAN: NOData cable: Yes | Bluetooth: YesWLAN: YesData cable: Yes |
| Working voltage | DC 9 ~36V | |
| Power consumption | Unknown | ≤ 2W |
| Working temperature | -20 to 70℃ | -10 to 55℃ |
| Storage temperature | -30 to 80℃ | Unknown |
| Storage humidity | 10% to 80% | Unknown |
What is Launch X431 V+ heavy duty 3 new module？
The new module is the latest adapter released in the year 2019, used for Launch X431 V+ heavy duty 3 (abbr. hd3) scan tool.
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What is Launch X431 V+ heavy duty 2 old module？
The module version 2 is old.
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What’s the difference between HD 2 adapter and HD 3 adapter?
1.Hardware design
- HD-II Module
As the 2nd generation of heavy-duty module, it mainly functions as a VCI device for accessing vehicle data.
LED indicators: It is defined as follows(from left to right):
- Power Indicator: It lights up when it is powered
- Communication LED of Tablet: It illuminates when the module is communicating with the
- Communication LED of Vehicle: It lights up once the module is connected to a vehicle’s
- Communication LED of PC
- Data I/O LED
2.Data I/O port
- Communication Port of PC
- Diagnostic Socket: To connect the included diagnostic
- DC-IN power jack: To connect the power
B.HD-III Module
As the 3rd generation of heavy-duty module, it works as a vehicle communication interface device, which is used to read the vehicle data and then send it to the X-431 V+ via wireless BT/WLAN communication. The LED indicators enable you to easily identify the working status of the module.
- LED indicators: It is defined as follows:
- DC-IN power jack: For connecting the power
- Diagnostic socket: For connecting the diagnostic
- Vehicle: While communicating with the vehicle, the indicator lights up and flashes. Otherwise, it will not
- Power: It illuminates solid red when the module is powered
- BT: Blue indicates the module is working in wireless BT
◦I/O: It lights up when the module is connected to the diagnostic tool via data cable (Currently disabled and only reserved for subsequent function extension).
◦Wireless: It lights up when the module works as a wireless hotspot or network
- Data I/O port: Currently disabled and only reserved for subsequent function
2.Module specification
- HD-II VCI module
Working temperature -20 to 70℃
Working voltage DC 9 ~36V
Storage humidity 10% to 80%
Storage temperature -30 to 80℃
2. HD-III VCI module
Power consumption ≤ 2W
Working voltage DC 9 ~36V
Working temperature -10 to 55℃
Communication Via wireless BT/WLAN or data cable
WIFI module
HLK-RM08K
- Frequency range: 2412-2472MHz
- Transmit power: 29dBm
Wireless BT module
YG-218M-A2
- Frequency range: 2402-2480MHz
- Transmit power: 62dBm
3.VCI communication method
For different VCI modules, the communication methods vary.
A.HD-II module:
B.HD-III module:
Besides the BT communication, the HD-III VCI module comes loaded with a built-in WLAN module, which can work as a wireless hotspot or a network adaptor
4.Vehicle connection
(For Commercial Vehicle Version)
The method used to connect the VCI module to a vehicle’s DLC depends on the vehicle’s configuration as follows:
1.OBD II Vehicle Connection: Plug one end of the diagnostic cable into the vehicle’s DLC, and the other end into the diagnostic socket of the VCI module, and then tighten the captive
2.Non-OBD II Vehicle Connection: For vehicles with non-OBD II diagnostic socket, a non-16pin connector (adaptor cable) is
A. Using HD-II module
For trucks equipped with non-OBD II 16 PIN diagnostic sockets, choose any one of the following to proceed:
B. Using HD-III module
Notes:
For commercial vehicles, refer to the above connection method to proceed.
For passenger vehicles, replace the “Non-16pin connector” with “OBD I adaptor” + “non-16pin connector (for passenger vehicles)”. Other connections shall also apply.
5.Package list
A.HD-II VCI module package list
B.HD-III VCI module package list
6. Vehicle List
Launch X431 HD II software/vehicle list
less heavy duty covered (42 brands)
HD III Add-on vehicle list
More heavy duty supported (up to 61 brands)
1 X431, USA FORD Diagnostic Software diesel
2 After the X431, heavy card processing system diagnostics software
3 ASTRA diagnostic software
4 Benz heavy duty diagnostic software
5 Bosch diesel diagnostic software
6 BREMACH diagnostic software
7 China heavy duty diagnostic Software
8 Cummins heavy duty 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 heavy duty diagnostic software
16 Isuzu heavy duty diagnostic software
17 Iveco heavy duty diagnostic software
18 JAC heavy duty diagnostic software
19 Mack heavy duty diagnostic software
20 MAN diagnostic software
21 OBD heavy duty diagnostic software
22 SCANIA diagnostic software
23 Shangchai diagnostic software
24 Volvo heavy duty 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 diagnostic software
61 Yuchai diagnostic software
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