A number of variations may include a product including an inline diagnostic device connected to a control status line at a position between an electronic control unit (ECU) and a turbocharger component actuator, the inline diagnostic device being constructed and arranged to intercept data being transmitted from the actuator to the ECU, and to process the data intercepted from the actuator to determine whether the components are binding or sticking, and to transmit a signal indicating that the components are binding or sticking.