A vehicle module CPM of an inductive vehicle charging system for charging an on-board energy store, wherein the vehicle charging system includes the CPM and at least one base module GPM arranged in a stationary manner, the CPM having: a monitoring device, a secondary coil, a managing device, and a communication device, the monitoring device and the communication device are each connected to the managing device, the secondary coil is designed to receive energy inductively transmitted by the GPM; the monitoring device is designed to ascertain a state Z(t) of the vehicle in which the CPM is installed and/or of the CPM and to transmit information Jo to the managing device in an event of a specifiable state ZStart, the managing device is designed to transmit software SWCPM stored on the managing device and intended for the GPM to the GPM by the communication device after obtaining the information IO.