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TPMS Inactive! Replaced Sensor But Still Have Dash Warning

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7.3K views 13 replies 8 participants last post by Hannibal308 Jun 14, 2014

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Hannibal308

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Joined Aug 21, 2013

40 Posts

#14 · Jun 14, 2014

Actually, Lemon's use of the word inertia is exactly the correct word to describe how the TPMS sensors are activated. A small weight within the sensor develops a contact force resulting in closure of a switch which turns them on. The contact force is the result of the turning wheel interacting with the weight, which, because of inertia, has a propensity to stay put or travel in a straight line. Same reason you wear a seatbelt. Newton made it the 1st law for a reason.