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Discussion Starter · #1 ·
OK, the TPMS sensors in the wheels are powered only when pinged by the car to 'check' the pressure?
So when and how is that in tire TPMS battery replaced?
Does it have a battery? IS it replaceable?
Or you just have to buy a new one?

Or is this totally wrong? [scratch]

ADDED: So if they DO have batteries, and they are not replaceable... how long is the average life?
So replacing tires folks might consider just buying new sensors?
Complicated YES.....
 

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OK, the TPMS sensors in the wheels are powered only when pinged by the car to 'check' the pressure?
So when and how is that in tire TPMS battery replaced?
Does it have a battery? IS it replaceable?
Or you just have to buy a new one?

Or is this totally wrong? [scratch]

ADDED: So if they DO have batteries, and they are not replaceable... how long is the average life?
So replacing tires folks might consider just buying new sensors?
Complicated YES.....
Yes, the TPMS sensors are powered by batteries. They are actually encased in the sensor itself. So when the battery dies, you would have to replace the sensor. As for the life of the batteries? They can range anywhere from 5-10 years depending on the batteries that they use. Most are only warranties for 2 years or so many miles so the cost will be on the consumer to replace them in most cases. Also changing them out everytime you get tires would only be advisable if you are really concerned with them. Personally, I would only get new ones every five years or so in that case.
 
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