I've checked a few of my standard go-to sources on TPMS cross-referencing for Toyota P/N 42607-08050 and am drawing a complete "0" for data. It only seems to be available at this point directly from Toyota dealers and there's no data on OEM mfgr, frequency, protocol, etc. So until someone updates their database, I can't help you.
As I haven't downloaded the manual, does P433 tell you anything about how to re-register a new set of sensors (winter tire/wheel set)? Still with a tool such as an Autel TS508 or Toyota Techstream thru the OBD port, or is there a dash selectable mode?
Is there a direct read dash display finally available on the Sienna?