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Is it possible to use a Bluetooth ELM 327 Device for RPM data when using the Diagnostic Software. I paired my Bluetooth ELM327 device with my PC and the PC allocated the Bluetooth device a COM Port (COM Port 6). The diagnostic software would search for the device. It would then find it but very quickly switch back to searching for the device again. It continued on in this loop for 10 minutes before I gave up. Is there a setting I can change in a config file or similar that I can set a specific COM Port.

I don't believe it to be an issue with the ELM327 adapter as I can use it to communicate with the car using other applications. Hello Mark and thank you for the post.

I have been experimenting today with the ELM 327 Bluetooth device and I have to say I have managed to connect to the vehicle and obtain engine and road speed data, but it was not as simple as it may sound. I do like the idea of a Bluetooth device for OBDII data capture as it removes cables around the pedal box area which is a blessing in itself.

I have been using a Windows 8.1 Laptop with PicoScope version 6.11.5 (Beta) Could you confirm you are using the same beta version? Could you confirm the ELM device to be installed correctly along with the relevant driver in the device manager of your PC? Could you remove any devices that are using COM Ports lower than COM Port 6. Other Bluetooth devices) If all the above are OK, could you open the NVH software and enable OBD Logging (See image below).

Could you then run through the connection procedure as you have mentioned above to generate the identical symptom? Once you have confirmed the OBD II connection error could you close the NVH program and PD? This will generate a trace file containing detailed information about the connection to the OBD socket and enable the engineers to assist with an explanation. The trace file is located here at: Windows Vista/7/8: C: Users AppData Local Pico Technology Pico Diagnostics With the Pico Diagnostics folder open, you will find a larger folder identified by a long alpha numeric title (E.g.

A6f37be2-ef55-40fe-914d-ddbe5251) Open the above alpha numeric folder and locate the “trace xml” file for the last NVH connection attempt. (Identified by the date and time alongside) Could you then email this file across to me here at I hope this information is of some help, take care.Steve. Hi Steve, Ok, so I don't know what I've done differently from the other day when I tried this, but when I tried it today it worked Ok, no problems, dead easy.

I'm using a Windows 7 machine and a non-beta version of the Diagnostic Software. I'll attach Docs below for you to look at. I was able to connect with the ELM327 Adapter set as COM Port 4 and COM Port 6. I was able to replicate my result on another Windows 7 laptop. My own Tablet is the only other PC in the Workshop that is not Windows 7, it's a Windows 10. But I can't test the Adapter with my machine just now because I having dramas with the NVH plugin () Attachments (41.79 KiB) Downloaded 238 times (365.13 KiB) Downloaded 199 times. Good morning!