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bobstoc

Tire Pressure Sensors

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Does anyone know if the Tire Pressure Monitor Sensors from a 2004 LS430 wheel (17") will fit a 2006 SC430 wheel (18")?

Tire Rack told me the SC430 wheels require a specific TPMS for each wheel however, i suspect this is because the SC430 reads each tire for a display of pressure?

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There is no tire pressure sensor on the '04 LS430. The car determines tire pressure by comparing the tire revolutions in the ECU. If over a period of time one tire is turning more than the others it is assumed to be low and the warning goes off. There are no electronics in the tire. I think they changed this in 2005 and beyond.

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