A device for detecting the residual braking torque in a vehicle equipped with disc brakes comprising, for each wheel of the vehicle, at least one piezoceramic sensor integrated into the friction material support of a brake assembly, said piezoceramic sensor being connected, by means of an electrical circuit, to at least one electronic control unit dedicated to the acquisition and management, usingmeans of management, of the signals detected by said piezoceramic sensor directly from said brake assembly friction material, said signal management means including at least one residual torque indicator interacting with at least one service interface of at least one on board vehicle computer over at least one dedicated communication system.