Diagnostic Software: Instruction Sheets. Driver software for all of our USB products: VCP Drivers. OBD2 Scanning Software - Free. Purchased the 'OBD Auto Doctor' software, and the USB ScanTool connected just fine. I did not use the free software that comes with USB cable, it is only for Windows. Already used on both my cars (2003 GMC Yukon and a 2002 Nissan Frontier) and it connected to cars system, I only needed it for one (check engine light was on).

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ELM327 USB Diagnostics

The ELM327 USB OBD2 scanner cable is a diagnostic scanner for both automotive enthusiasts and professionals. It is compatible with a ride range of operating systems including Windows, Mac OS X and also Android devices using an USB OTG adapter cable. Obd diagnostic interface usb driver. If you’re on the lookout for an expert who can maintain your car in the most efficient manner, you need not look further. Obd2-diagnostic.com is the perfect place for finding that perfect product which will help keep your car in good running condition for a long time. ELM327 USB Interface - How to install and configure on Windows pablo7890. ELM327 Cable Driver Installation. Driver para ELM327 usb OBD2 - Duration. This article will guide you how to install ELM327 USB cable/scanner on your Windows computer. It will then work with any OBD2 software and your car. (If ELM327 USB isn't setup properly as per instructions below — then OBD software will not even detect the cable — let alone connect to the vehicle.). The ELM327 USB OBD2 scanner cable is a diagnostic scanner for both automotive enthusiasts and professionals. It is compatible with a ride range of operating systems including Windows, Mac OS X and also Android devices using an USB OTG adapter cable.

The ELM327 USB Adapter can be used to connect your vehicle to your laptop or (maybe a little inconvenient) desktop computer. The adapter is equipped to receive real-time information from your vehicles ECU (Electronic Control Unit or Computer) and display it in a graphical user interface, most likely on your Windows platform.

Please note that if you do not want to use USB cables to connect your vehicle to your laptop you can use an ELM327 Bluetooth device paired with a wireless USB Bluetooth radio adapter to achieve the same effect.

ELM327 USB Cable

The ELM327 USB cable length is 4.5 feet which offers you some wiggle room but will likely not allow you to diagnose a vehicle outside of the car. In order to increase the length of the ELM327 you can use a Male to Female USB Extension Cable which could provide up to an additional 10 feet. Any longer and the USB cable may have trouble passing data through the entire cable and to your computer. Additionally you can use an OBD-II extension cable. Extension cables can be used on both ends, with the USB and OBD-II without problems.

ELM327 USB Software

The USB ELM327 will work with a large number of free and paid software packages for Windows and Mac OSX. Our best recommendation for using the ELM327 is to use it in conjunction with the ScanMaster-ELM demo or Easy OBD-II. The ScanMaster-ELM demo should automatically detect the ELM327 making it the easiest to setup. If you enjoy that software package, you can update to their paid application.

Compatibility

The ELM327 will work with most computers or laptops that have USB ports. Software applications are provided in Windows, Mac OSX and even Linux. Although we have not tested it, you could probably connect the ELM327 to a Hybrid Tablet like the Surface Pro and use it for diagnostics. During the setup if you are using applications other than ScanMaster that do not automatically detect the COM-Port the ELM is connected to, you will likely have to monitor what port it is assigned to and select that port in the software application of your choice.

As far as vehicle compatibility goes, the ELM327 will work with any OBD-II compliant vehicles. This includes 99.9% of the makes and models that have been produced since 1996 as government regulations have made OBD-II compliance mandatory. There are a very few number of vehicles that are an exception to the means. To check if your vehicle is compliant, simply pop the hood and check for a sticker, on that sticker it should say that the vehicle is OBD-II complaint.

For compatibility with Android Smartphone and Tablets, check out the Bluetooth ELM327. For usage with iPhone and iPad you will need a Wi-Fi ELM327.

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Purchasing

The ELM327 USB adapter is available in many online marketplaces including eBay, Amazon, NewEgg and Sears. These adapters are sold by small companies and the reliability of these adapters are sometimes hit and miss. Also, many sellers of these items do not include instructions. We would suggest for a trouble free setup and quick installation to buy an adapter directly from our store. Adapters we sell have a long time proven track record of being free from defects and include complete setup instructions.

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Comments

please how can i get the activation code for my elm327? am useing the free vation but i want to activat it.

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(Cable should NOT be connected to your laptop yet. Only connect it when instructions say so.)

Windows XP, Vista, 7:

If you bought genuine ELM327 cable from Total Car Diagnostics — then you only need to install DRIVER PACK 3. After install — go straight to Step 2 to test if it's working.

—

If you bought ELM327 cable from elsewhere (clones, eBay, other manufacturers) then install all Driver Packs below, because they cover widest range of chip makers..

• DRIVER PACK 1
  Steps to install Driver Pack 1:
  
  • If you have 64-bit Windows, double-click on: CP210xVCPInstaller_x64
  • If you have 32-bit Windows, double-click on: CP210xVCPInstaller_x86
    

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That's it!

Go to Step 2 below to test if everything is working ok..

Windows 8, 10:

If you bought genuine ELM327 cable from Total Car Diagnostics here, then you only need to install DRIVER PACK 3. Then go straight to Step 2 to test it's working ok.

—

If you bought ELM327 cable from elsewhere (clones, eBay, other manufacturers) then install all Driver Packs below, because they cover widest range of chip makers..

• DRIVER PACK 1
  Steps to install Driver Pack 1:
  
  • If you have 64-bit Windows, double-click on: CP210xVCPInstaller_x64
  • If you have 32-bit Windows, double-click on: CP210xVCPInstaller_x86
    
• DRIVER PACK 4
  
• DRIVER PACK 5 ^{Most Important!}
  Steps to install Driver Pack 5:
  
  1. Please FIRST move the unextracted folder to your Desktop, else below #2 step won't show 'Install' option.
     
  2. Right-click on 'ser2pl' (icon has a little gear pic in it) and choose 'Install', as per below pic:
     
  3. Connect ELM327 cable to your laptop. Then..
     Go to: Control Panel » System » Device Manager » Ports (COM & LPT)
     You will likely see a yellow mark next to 'Prolific', like this:
     Right-click on it » Update Driver Software
     
  4. Click 'Browse my computer for driver software'.
     
  5. Select 'Let me pick from a list of device drivers on my computer'.
     
  6. UNcheck 'Show compatible hardware'.
     
  7. Select: Prolific driver version 3.3.2.102
     
  8. Install. That's it! The yellow triangle next to 'Prolific..' should be gone.

That's it!

Go to Step 2 below to test if everything is working ok..

(You can now CONNECT your ELM327 USB cable to any port on the laptop.)

Ok, we're almost ready to start scanning your vehicle.

First, let's ensure that everything is working fine!

Here's how..

Windows Vista/7/8/10: Control Panel » System » Device Manager

Windows XP: Control Panel » System » 'Hardware' tab » Device Manager

Notice any device with any one of the following names:

1. FT232R USB UART
2. Prolific USB-to-Serial..
3. USB Serial Port
4. USB2.0-Serial
5. Silicon Labs CP210x USB to UART Bridge

NONE of above devices should have a yellow mark () next to them.

If none of the above has a yellow mark, then congratulations! You're ready to begin scanning your car(s). Click here on how to connect to your car in the next 5 minutes..

If any one of above devices has a yellow mark, then:

1. Right-click on that device » Uninstall
2. Unplug cable
3. Restart PC
4. Download and unextract DRIVER PACK 6
5. Double-click on 'InstallUSB' to install
6. Connect cable to laptop. Yellow mark should now be gone. Success!
   If yellow mark is STILL not gone after doing 1-6 above, then do this:
   

   a) While cable is plugged in, right-click on device with the yellow mark.
   b) Click on: Update Driver Software
   c) Choose: Browser my computer for driver software
   d) Browse to and select folder where you unextracted Driver Pack 6. Make sure 'Include subfolders' is ticked ON.
   e) Click on: Next
   f) If you get RED warning, choose: Install this driver software anyway
   g) After it installs successfully, another yellow mark may appear under 'Other Device'. Eg:
   h) If g above is true, then do steps a-f for 'Unknown Device'. It may also show as 'COMx'.

Even DRIVER PACK 6 didn't help? Then likely it's a 'Code 10 error' next to 'Prolific USB-to-Serial' device. Click here to fix that.

Even 'Code 10 error' fix didn't help and yellow mark () is STILL not gone? Go to Troubleshooting below.

Step 1: Install your OBD2 software (if you don't have it — checkout TOAD OBD software). Do NOT launch it yet.

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Step 2: Connect ELM327 USB to your computer and car's OBD port (usually underneat dashboard/steering wheel).

Step 3: Place the key in the ignition and turn it forward to 'ON' position. (Position where all dashboard lights are on. This is one position before engine starts.)

Step 4: Start your OBD diagnostic software. Click 'Connect', and it should auto-connect to your vehicle. That's it!

TIP: If you want maximum data reported from the car — turn on the engine.

Yes, you can safely drive the vehicle while ELM327 is plugged in and application is monitoring car's data. Keep eyes on the road at all times.

Common Solutions:

If you're unable to connect successfully to your car, then that's because of 2 reasons:

1. Your vehicle is notOBD2 compatible. (This is reason in 99% of cases, which means you can only scan it at mechanic using their $2000 OBD1 scanners.)
   
2. Random issues that can be fixed with below solutions..

Here are solutions in recommended order:

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1. First check that ELM327 is physically working (not defunct). When you plug in the cable into a USB port, all the lights on ELM327 interface/device should flash. And then it'll return to 1 red light (power).
   Condition of a defunct ELM327 interface: All lights will not initially flash, and only red light will be on.
   
2. Restart computer (while keeping cable connected to laptop). Try again.
   
3. Plug USB into different physical port of your computer. Try again.
   
4. If all above solutions fail, then we will help you (only if you are Total Car Diagnostics customer). Here's all you need to do..
   

   Connect ELM327 USB cable into laptop. (Don't need to plug the other end to car)

   Step 1: Go to Control Panel.

   Windows Vista/7/8/10: Control Panel » System » Device Manager
   Windows XP: Control Panel » System » 'Hardware' tab » Device Manager

   Step 2: Expand 'Ports (COM & LPT)' and 'Other Devices'.

   Step 3: Take picture of the screen (Press 'Print Screen' key on the keyboard then paste into any graphics program. Or take shot with camera/phone.)

   Step 4:Contact us and attach the picture.

Free Software To Test If ELM327 is Working with Windows and Vehicle..

Step 1: Install EasyOBD. Do not launch it until Step 4 below.

Step 2: Connect ELM327 USB cable to laptop and car.

Step 3: Turn on car ignition. (One step before engine turns on)

Step 4: Launch EasyOBD. It will automatically connect.

If first 3 lines are GREEN (as per below pic) — then ELM327/Windows is 100% installed correctly! In which case, click here on how to connect to your car in the next 5 minutes using proper OBD-II software..

If first 3 lines are not GREEN — refer to Common Solutions above.

First 3 green lines means your ELM327 cable/Windows is properly installed.

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• ELM327 AT Commands: List of commands you can manually type into OBD software terminal.