what does serv tpm mean on the dashboard control panel? it has a little symbol

The serv TPM means "Service Tire Pressure Monitor system" The first thing that will need to be done is to have the module relearn the TPM wheel sensors. The vehicle may be confused as to the correct location of each tire pressure sensor. Whenever the tires are rotated this procedure has to be performed. If that procedure was performed then this could possibly be a faulty TPM sensor but will need to be scanned to confirm the problem.

its the tire pressure monitor system.ck all tire pressure to start with they must have more than 34 lbs in each. then drive car and see if light goes out. if not seek diag and hace that module scanned for codes

Have the air pressure checked in ALL tires.

Tire Pressure Monitor. There are monitors in each tire. This is to balance pressure