That’s exactly right, and what is so puzzling with that being lumped in as some type of hold up. Everything is identical between a TPIS equipped truck and a TPMS equipped truck, except for a setting in the BCM.I could be completely wrong on this, but I don't know if there is any hardware difference between TPMS and TPIS since I think you can switch between the two with AlfaOBD. I believe the only difference is TPMS nags you if the tires are low and TPIS just displays the info in the cluster when you pull up that page.
Might be totally off base on that one though..