Originally Posted by Spoolin1
I am getting ready to order my Cobb, but am now confused here. Does the Cobb have to be plugged into the OBDII at all times to keep the tune on the ECU? I was under the impression that the Cobb just plugs into the OBDII to place the tune into the ECU and then unplug it. Is that not correct?
no it does not need to be plugged in all the time but after the car is flashed, the handheld AP unit is married to the vin/ecu file from that car so it can't be used to flash other cars.