I have a 2000 4.8 ECU that I'm just learning on with Tuner Pro. I have on the bench and not in the truck. I can read the computer and get the OS #, I just can't flash the computer. Says "device did not respond with expected ID. This may not be a valid device for use with this app". I thought may be the power supply in the wall, I had a 1 amp, then switched to a 3 amp, no difference. I then hooked to a 12-volt battery, still the same thing. I have the OBDX Pro VX (says will work and also picks it up on Bluetooth). I have LS Droid version 2. 4. 5 with my Android phone (8. 1. 0), I guess they work good together. I'm new at this, just trying to learn Tuner Pro with LS Droid.

Thanks for helping.