Key Questions to Ask When Ordering TPMS Sensor Tool

Activating a sensor and programming/learning it to the car are two different things.

Most sensors, even OEM, are not activated out of the box because the part numbers may work for many applications (even a OEM sensor is not made by Ford, its a Shrader or Dill) The Autel and other branded sensors are also not activated because there is one part # for basically almost all cars (315 and 433)

In either case, activating is what tells it to send out at the correct frequency and gives it the correct ID numbers that the car is expecting.

Activating most sensors is brand dependent. Autel only activates Autel, etc.


Programming them to the car is the second step (for cars that don't learn automatically). This reads the ID number the sensors are broadcasting and puts it in the cars computer (or whatever oddball steps the car requires to learn)

All of the tools will learn any brand sensor to pretty much any car.

So, to answer your original question: If the eBay sensors are pre activated to your car, your tool will work to learn them to the car. eBay would obviously be a little more buyer beware, but most other places selling sensors (TIre Rack, etc) are activating them before shipping.

*I mostly have experience with Autel and Smart Sensors/31inc. I see my vendors sell Dill and Shrader that are labeled "Redi Sensors" and am not sure they are pre activated or what.

HTH,

DaveW

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