Update I found a great, and inexpensive, OBDII readerI don't have it yet but plan to add an OBDII reader
List of codes, actually the whole FSM on a Thumb drive. We typically carry a laptop anyway, nice to have the FSM on hand.
Amazon product ASIN B074DWH8JR
Add Torque Pro and a cell phone
Torque Pro (OBD 2 & Car) - Apps on Google Play
Measure BHP, Torque & 0-60 Clear car OBD faults View engine data in Google Earth