I believe I have figured it out. Seems my OBD2 connection was loose. I pushed it on, felt it click and haven't had the issue since.

Mike,

I sent an email with a picture of the screen. It's easier than me trying to explain. I'd probably screw it up.

I have gotten a PID:66 - PCM (Control Module Voltage) a bunch of times when I shut off the car and even sometimes while I'm driving down the road. My vehicle battery voltage has always been 12.V of higher each time.

My question why am I getting it when my battery is good and what else might cause ...