Is there a way to test my sensors to see which one is at fault causing the "Service Tire System Soon" message on the EVIC? Is this information available via ODB interface?

 

I don't think the TPMS system is any more advanced than the one in my 04 T&C. Once you've checked each tire for proper pressure and you still get that warning the easiest way to determine a bad sensor is to go to a tire store/shop. They have special scanners that they can just point at each wheel to determine if the sensor is good or bad. I have not seen or heard of anything else causing a problem to send that message.

High end scanners(like ones the DEALER use) would also be able to look into TPMS,that do hook up thru the OBD port, but not the more generally used code readers found easily (and cheaply).

 

Thanks Rebel