OBDII causing warning lights?

Took mine in last weekend with a check engine light and they told me that the 18 Camry has problems with OBD devices plugged in and that the 18 Tacoma might have the issue as well. They suggested I unplug my GPS tracker and reset my light...

Of course the issue came back since it was BS answer to begin with but just passing it along. Turns out I really did have an issue and they didn't want to troubleshoot that weekend. So my suggestion is that if you have anything plugged into the port, take it out before going to the dealer so they won't have that excuse to BS you.

 

I use Torque Pro and the Kiwi 3 adapter. Everything has been working great.

I have used the cheap BT module ($25) and it would through a communication error (CEL) on my 2016 Jeep Renegade. Since i switched to the Kiwi, no issues.