> ... * and the problem was as simple as not having the TPMS programmed for the car.*

This is fairly common for those people who put on winter tires with 'winter rims'. Many people don't bother with TPMS devices for cost reasons, and just live with the low pressure "warnings" for the colder months.

* https://www.automobilemag.com/news/the-trials-of-installing-...

Of course having lower pressure means worse gas mileage, so one can end up recouping some of the cost of the sensors by being properly inflated.