P0A1D, U0293, and U0100; can't get sub codes

Hi fellow Gen 2'ers. Problem with my 204k-mile 2008 Prius.

Had an issue starting the car back up at a gas station after a fill up - the gear icons on the dash were flashing, VSC, (!) lights were on, and Torque app on Android showed codes P0A1D, U0293, and U0100 with my OBDLink LX OBD-II reader.

Just before the dashboard lights came on, I felt a couple of minor lurches in the engine when it was getting to its normal start RPM of around 1200. Then the engine stopped running and those lights came on.

I disconnected and reconnected the 12V battery and drove home, and the issue hasn't shown up again today; so now I'm just waiting for it to crop up so I can get an INF (if possible)...

Any idea if I can read which P0A1D sub-code / INF is the issue with my OBDLink LX bluetooth reader? I don't have techstream, but I'm wondering if there's an app that can read the subcodes with this OBD-II reader.

Recent maintenance: replaced the inverter coolant pump and coolant control valve about a month ago (had codes P0A93 and P1121, replacements fixed the issues).