The post is aimed to guide USB OBDII car scanner users to Bluetooth connect their devices to Windows PC through ScanMaster-ELM software.


The OBDII diagnostic car scanner (with USB interface cable) is the latest PC-based scan tool and supports all OBD-II protocols and is dispatched with a number of compatible programs. Follow the steps to connect your OBDII auto car diagnostic scanner to Windows PC:

1. Install the USB interface OBDII car scanner on your car.


2. Install ScanMaster-ELM software (ScanMaster-ELM V2.1) on your Windows PC.

3. Open Windows PC’s Bluetooth, then click “Add a Device” and search OBDII car scanner’s Bluetooth.


4. Double-click “OBDII” then “Select a pairing option” will pop up. Choose “Enter the device’s pairing code”.


5. Enter pairing code “1234”, click “Next”.


6. The USB OBDII diagnostic car scanner has been successfully added to this Windows computer.


7. Open Show Bluetooth Devices on your Windows PC and get OBDII Device Functions’s COM Ports.

8. Run ScanMaster-ELM and click “Communication” setting port, choose Serial (RS 232or Virtual COM Port Driver; Protocol choose Automatic) interface type. After the setting, click “OK”.


9. Click “Connect”, the whole Bluetooth connection is completed and follow page appears.


We hope this post has been clear and simple in solving your OBDII auto diagnostic scanner Bluetooth connection issues. If you have purchased the said OBDII scanner tool from GearBest, do not hesitate to contact our Customer Support Center.

With the development of automotive industry, diagnostic tool is playing a more and more important role, especially the auto key programmer. Today, I would like to introduce CN900, which is one of the most impressive auto key programmers.

CN900 Auto key Programmer supports directly copy 4C and 4D chips, and it is with the ability to copy such as Toyota 4d67. It can be updated online; two months later, it will be able to copy ID46 and Toyota G chip; CN chips can be copied many times; helps to recognize locked ID48 and can unlock ID48.

This item is designed in a a lovely outlook in red color with the following powerful functions:

1.Read out the chip code for 11 12 13 33 T5 40 41 42 44 45 46 48 4C 4D 8C and 8E chips and New identify functions for Toyota “G ” chip key

2.It can identify Toyota smart key, and read out the data

3.It supports on copying the chips (11 12 13 33 T5 41 and 42) and parts of 44 and 45.

4. Connecting with Chinese PC software, it can save the read key code data unlimited.

5. Support on the chip programming: with the inner function of HITAGETI, it can write ID 46 Renault Crypto chips.

6. Without removing the ECU (Benz W140), it can start the chip.

7. It can unlock the 48 chips except the crypto lock 48 chips.

8. Support on the pin code calculating for Hyundai and Kia (before 07 year), by using the Last 6 Codes of VIN Number.

9. Support on starting the key and calculating the pin code for more than 60 kinds of cars.

10. Support on programming all kind of Fiat key

If the functions of CN900 auto key programmer can be fully utilized, it will bring great convenience to technicians. It is believed that these information mentioned above is helpful.More information you can refer to

nexiq usb link + Software Diesel Truck Interface and Software is a PC-to-vehicle interface compatible with multiple software applications, minimizing your investment in multiple brand-specific diagnostic. There are some Frequently Asked Questions sa follows.

Q1: Does NEXIQ work with Volvo Bus and Isuzu truck? NEXIQ has no communication with these two vehicles.

A1: Nexiq hardware isnt compatible with Volvo Bus. And our Nexiq only work with North American Isuzu. Nexiq cannot work well with CAT, especially the Asian Cat, Nexiq only support CAT with J1939 and J1708 protocol, but so far most CAT engine is CAT special protocol CDL and J1939 Protocol has not yet come into use.

Q2: When the ECU starts, it shows an error message Received Error Code: 275

A2: The driver isnt installed successfully, and the software cant recognize the hardware.

Q3: I followed the instructions step by step to install the drivers. I didnt have internet connection and I never tried to update the USB-Link. The “POWER” light” got on and the “DATA” & “FAULT” lights go on and off, on and off. And the device manager show and hide the USB-link drive.

A3: This is because you install the original new driver and the Nexiq is broken, you need to return back to us for repair. (Note: please do not install the original software with our hardware. )

Q4: Can I update your Heavy Duty Diagnostic Tools NEXIQ 125032 USB Link?

A4: No, do not update NEXIQ 125032 USB Link in, or it will not work.

Q5: I bought one NEXIQ 125032 USB-link, after the driver setup finish; I plug nexiq technologies usb link into the computer and all the indicator lights flash, this is not should be like this, what it means? What should I do? Does Nexiq have any problem? (By the way, I followed the setup instruction in the video)

A5: Try to install successfully the software driver and then connect with the car to test the vehicles. Any more questions, please keep contact.

Q6: NEXIQ 125032 USB Link + Software need password?

A6: No, it does need, for more details, please check the user manual in the column “technical support” or under “Related Download Files”.

Q7: When connect the Nexiq, The power light, data light and Fault light keep flash fast, whats happed?

A7: You try to update NEXIQ, right? You have to return back us for repair.

Q8: WAS Multi-Diag Truck Diagnostic Tool, Nexiq, DPA5? What is their difference?

A8: both of the three truck scanners are powerful, good quality, best-selling, but there are some differences among them: 1) supported truck models: Nexiqand DPA5  mainly work with American trucks, WAS Multi-Diag Truck mainly work with European trucks. 2) Function: their function is almost the same, mainly support diagnosis and basic programming for a part of trucks, for example: Nexiq support program for Cummins.

Q9: Does Nexiq contain ISUZU IDSS software? IDSS software fail to loading and display CRC error: the file C: \Program Files\IDSS\ images\2007icvch \processed\fullsize\fullb606. rra doesnt match the file in the setup’s. cab file.

A9: Please check the setup instruction and step-by-step install the software, and at the same time make sure your computer system support Isuzu IDSS software.

Q10: I am your old customer; I buy from you several NEXIQ 125032 USB Link truck diagnostic tool . But this time, when I open this software: V-MAC III Service diagnostics V2. 6. 12, it display an error message “Unable to read value software\Mack Trucks, Inc\Common\Device ID”, then I choose Preferences and then RP123A Device name, but there is nothing in the drop-down box for me to choose Nexiq USB.

A10: Make sure the driver installs successfully and the Patch is installed. Please install the software on another computer, do not install on the computer that you previously used.

Recently,UOBD2 released new version SBB programmer:SBB Pro2 Key Programmer
Auto key Programmer V48.88 SBB Pro2 Key Programmer Support Cars to 2017 Replace SBB 46.02

1) Before running SBB PRO2 key programmer, please insert the blank new key into your car keyhole;
2) Turn on ignition switch;
3) Insert SBB 16-pin interface into your car OBD2 diagnostic seat.
4) Follow the instructions showed on the SBB screen.
SBB PRO2 key programmer on copies chip according to car model, and it programs key not clones key, you only needs to insert SBB 16-pin interface into your car OBD2 diagnostic seat, then read out immobilizer pin code from immobilizer dump/EEPROM of the car before writing it into new blank key. When programming for Ford vehicle, it does not need pin code.

Today illustrate how to diagnose vehicle fault code by BMW diagnostic tool BMW ICOM and ISTA-D software:Check all car module status,and delete fault code memories.


Software used:BMW ICOM HDD ISTA-D 4.06.31

Step1:Connect vehicle with ICOM,open ISTA-D 4.06.31.

First you need test your car.Go”Vehicle information”→”Control unit tree”→”Star vehicle test”.

Click “Yes”.

Step2:Finished the vehicle test,fault module will show yellow or red.

Yellow means wrong memory,red means no response,whole green means no any problem.

Click “Display fault memory’’,check fault code.

Step3:Go “Vehicle management”→ “Troubleshooting”→”Fault memory”.

You can check the fault illustration with fault code,and double click every item and correspondingly show the detailed description.


(“Calculate test plan” button guides to check fault.)

Just click ”Clear error memory” and “Yes”.If it is not serious problem,all module will turn green.