How Hot Does Your iPhone Get (when connected to a Bluetooth OBD2 module)?

[Jimrpa]

I broke down and bought an OBDLink MX+ (Bluetooth OBD module) to be able to read my 12V battery voltage (and maybe play with the car a bit someday). Anyway, whenever my phone is connected to the module (via Bluetooth, of course), my phone gets EXTREMELY hot, around the MagSafe area, and just above, next to the camera module. I’ve never had my phone get this hot before, and it only heats up when connected to the OBD module. Otherwise, it’s pretty cool. Has anyone else observed this? Any idea why it’s happening? I certainly won’t leave my phone connected to the OBD module for any length of time because of this.

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[bshaw]

Are you using the Car Scanner app, or a different app?

My Car Scanner app (iPhone) does not make the phone hot when reading from the ODBII connection.

 

[Jimrpa]

Are you using the Car Scanner app, or a different app?

My Car Scanner app (iPhone) does not make the phone hot when reading from the ODBII connection.

OBDLink and Car Scanner. The phone gets hot when connected no matter what app?

 

[MadMatt]

Mine also overheats, the screen brightness goes very dark as a safety thing.

iPhone 14Pro

I run it with CarPlay so the phone itself is not being handled but when I pick it up i notice it getting very warm.

I can’t be the only other one?

I’m connecting to vlinker FS via Bluetooth MFI (I’ll try) Would forcing a normal Bluetooth LE instead make a difference?

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