Tpms Question

[opus8844]

When towing this weekend my TPMS message came up on dash a couple of times check rt rear tire pressure or chk lft rear tire pressure the pressure rose 2-4 psi in each tire while towing what caused this to kick message out and should I change over to Nitrogen to pressures from flucutatingso much any ideas

 

2008 suburban 20 inch factory LTZ rims and tires towing only 5200 lbs trailer with wd reese hitch about 500 lbs on the tongue

[tobias]

The TPMS system has a designated range it considers normal. If you were already at the upper end of that range and you gained pressure, the system will go off. You can have it reprogrammed at the dealer for a little higher pressures if that's what you really want.