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2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

2007 chevrolet impala/tire monitoring system

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Old Dec 17, 2015 | 7:24 AM
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tech2
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Originally Posted by Frank3
How are the TPMS sensors in the tires? From what I was told, they contain batteries and will run down after a while. When you buy a new sensor, the internal batteries are in a disconnected state until they are mounted and are held in a pressurized state inside the tire. Maybe the batteries are running down on your sensors?
when stopped, the sensor goes into a sleep state to conserve battery life. they become active and update due to centrifugal force of a rolling wheel. the above procedure registers the sensors. if a sensor won't register; it probably is nfg.
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