How to set up ELM327 Bluetooth scanner to phone and computer

How to connect ELM327 Bluetooth to phones:

STEP 1: Plug ELM327 Bluetooth into Car’s OBD Port


​Car’s OBD port is usually found on the driver side dashboard under the steering wheel.

STEP 2: Turn ON Car Ignition

STEP 3: Pair ELM327 Bluetooth

On your device — go to “Settings” > “Bluetooth”. Connect to Bluetooth signal with name similar to these examples: OBDII, ELM327, VLink, Can OBDII, etc.

STEP 4: Configure OBD App To Detect Bluetooth

Launch your OBD App.

Go to Settings and configure it to look for Bluetooth. (See this article demonstrating settings we had to change in “Torque LITE” for it to connect. Same principle applies to any OBD application.)

STEP 5: Connect To Your Car

OBD App should now successfully connect to your vehicle.

How to connect ELM327 Bluetooth to computers:
STEP 1: Locate Your Cars Diagnostics Connector.


The 16-pin diagnostic link connector (DLC) should be located in the passanger or driver’s compartment, under the steering wheel.

STEP 2: Turn ON Car Ignition and Then Plug in ELM327 Bluetooth Scan Tool into Cars Port


FIRST Turn ON cars ignition (one position before engine starts). And then…

Plug ELM327 Bluetooth scanner into cars connector.

STEP 3: Add ELM327 Bluetooth Scanner
1.elm327-set-up-2Double-click the icon in the system tray.
2.The window will appear “bluetooth devices”:



Click “Add”.

3.* This part only applies to Windows XP.

The “Add Bluetooth Device Wizard will appear:


Check the “My Device is set up and ready to be found” check box, then click the “Next” button.

4.The Wizard will search for and display Bluetooth devices within range:

elm327-set-up-6Click on "CAN OBDII"

Click on “CAN OBDII” (may also show up as “CBT”). Then click “Next”.

5.You’ll be asked to enter your passkey:


Windows XP:

Select “Use the passkey found in the documentation“.

Windows Vista/7/8:

Select “Enter the device’s pairing code

Enter: 6789

Then click “Next”.

If “6789″ doesn’t work, then try “1234″ or “0000″.

6.The Wizard will connect to the scan tool:


7.* This part only applies to Windows XP.

Once it’s setup, the wizard will display the COM port numbers:


Write down the number of the Outgoing COM port. You will need it later to configure the diagnostics software.