My TPMS light has been coming on frequently in the past few weeks when the temprature dropped. On Friday I made sure each tire was at least 33 PSI. This morning, the light is on again (it might be a little colder, but not dramatically).

I noticed on Friday one tire was about 30 while the others where 32-33. We'll see what they're at tonight when I can check them.

But does anyone know at what point the TPMS is supposed to come on? It seems overly sensitive to me.

 

Mine happens at right around 30. I've thought the same thing about being overly sensitive. Hasn't been a problem though, I started filling my tires to around 35.