Quote Originally Posted by alfy View Post
Hi!

I have problems with my 5th unit, all bought from the same seller.
This one is not working at all, no comunication with all cars.
When pluged in OBD ligts up 2 red leds, on other unit I have is one red and one green (this become red when USB is connected) on this the red LED become orange when plug USB... maybe the connected LED in wrong way?!
When try to connect to car, the third LED (green) lights and relay is turned on. Green LED and relay stays ON until I power off the unit by unplug OBD.
Any advice? Someone had the same problem?
Hello.
Try to desolder bluetooth or check do You have two transistors near bluetooth.
I had a similar problem and it was missing of one transistor.