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replaced wheels on my 2009, now the tire pressure lightt is on


I bought a set of take offs from someones 2008 mustang. tires & rims, now the tire pressure light is on all the time. I checked the pressure & all is good. any ideas?


Active Member
I would hazard a guess that the TPM (tire pressure monitors) that are in your old tires and wheels are too far away from the car ;) and that the new tire/rims don't have new ones in them.


Yak, yak, yak
One other possibility is (if the sensors are indeed on the new rims), you'll need to have the system reset. Sometimes/ some years won't register after moving the car. There's a tool that plugs into the OBD port that'll reset it. Check with some tire stores or your local dealership. If they charge at all it should be minimal.


Always on vacation!
We used to recalibrate them for free! The tire shop that mounted your tires should calibrate your TPMS sensors.