Battery-free TPMS
The latest vehicles use a TPMS system without any little batteries in the sensors - it relies on the centrifugal action for energy. Do any of the aftermarket TPMS systems for trailers use this tech...
Forum Discussion
The advantage oem tpms have is they're inside the cavity of the tire and wheel, so they have all sorts of room for a larger module.
The after market ones have to live on the end of the valve stem.
The after market ones have to live on the end of the valve stem.
