How do rolling over devices function?

Consumers frequently take an active interest in rolling over mileage devices and tools, but they do not have an idea how those devices function. Let’s give a closer look at rollup devices.

The main function of such tools is the increase of mileage. The purpose is to roll forward mileage while an automobile stands still. There are two principal ways to roll over mileage: substitution of speed transducer that operates in accordance with Hall Effect, or via CAN (OBDII) connection when the information concerning mileage is corrected in several blocks at one stroke. The principle of rolling over device operation depends on the mode of mileage measurement in an automobile.