That would be my first guess after reading the ESM.

 

That's so crazy! My low air presure light went off today when I left the house. Checked the pressure all 4 were good. I really think the cold tempetures are FVCKIN with them. It has'nt been above 20 for almost two weeks now here in Chi-Town. Any other cold weather guys having this?

 

The cold temps seem to make this system go nuts. Lots of people making comments about that.

 

Update: apparently the 4 tpms sensors were not the issue, because tonight the light came on again. I know what I'm doing next week

 

I had a sensor break at a tire shop--they said due to corrosion.... TPMS light came on and dealer wouldn't replace the sensor under warranty because they said the shop messed it up. They wanted $280 to replace!! Anyway, I said no way, and after I took the car from the dealer, the light mysteriously went away and has never come back on. I have my snow tires on with no sensors, and still no sensor light. I'm fine with that. I can check my own pressure and don't really care for the light anyway...

 

the first time this happened to me was last night. i was like wtf is that beeping noise?!!? lol but like everyone said, it was due to the cold weather, and it was around -20 C last night. today's gonna be even worse, - 30 C.

 

I have a full size spare on my 06 G35x sedan, and when I put the spare into rotation with the other tires, my tpms light went on and off on its own. Dreyer and Reinbold Infiniti in Indianapolis said that the sensors in full size spares are not programmed. They fixed it for no charge.