Start with making sure the tires have correct air pressure in each tire, then go from there.The alarm is a warning there is an issue with your tires. Low air can set it off or an imbalance. If the treads are worn due to alot of mileage, check those. Tire blowouts are no fun and can cause a serious accident or damage to your vehicle like bent rims. Tires are sometimes 'weighted' when rotated. There may be uneven wear if they do not get rotated per tire manufacturer's recommendation.
SOURCE: 2004 chrysler pacifica service tire system light
Make sure that your tire pressure sensors were not damaged. one simple way to check what tire sensor is causing the problem is to lower each tire individually and check to see if the message displays to a different tire or more than 1, depending on the TPM system your pacifica has. Chrysler has a TPM (tire pressure monitor) tester which can check each individual sensor for correct operation. and the sensor's batteries have typically a 5-7 year life span.
SOURCE: Service Tire Soon @ 2004 Pacifica
dont have it disconnected make them fix the problem the computer needs to be reprogramed
SOURCE: 2002 town & country "service tire system soon"
If all the sensors retrained, you either still have low tire pressure, or the computer which reads the sensors needs to be reprogrammed with a different tire pressure threshold.
SOURCE: Service Tire System Soon
there should be a tire reset button either inside the cars fuse box or under the hood in one of those fuse boxes
SOURCE: I have a service tire system soon alert on my 2004
This is likely a mileage triggered warning. If you have good tires already, a rented scanner will allow you to reset the mileage goal and clear the message. Alternatively, go back to where you bought the tires and see if they will erase the warning.
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