Automobile steering failure alarm controller, control system and control method

The invention discloses an automobile steering failure alarm controller, control system and control method. The automobile steering failure alarm controller comprises a signal receiving unit for receiving corner signals of a steering wheel, left wheels and right wheels; an analysis unit for determining the steering failure states of the left wheels and the right wheels according to the corner signals of the steering wheel, the left wheels and the right wheels; and a processing unit for outputting control signals according to the steering failure states, wherein the control signals are used for controlling a display alarm apparatus. According to the invention, the steering failure states of the left wheels and the right wheels are determined through detecting the corner signals of the steering wheel, the left wheels and the right wheels, and the control signals are output according to the steering failure states, such that steering failure states can be accurately displayed, alarms are given, and the purpose of safe driving is realized.