Automobile tail door controller

The invention provides an automobile tail door controller, and relates to the field of automobile controllers, and the automobile tail door controller comprises a mounting box, a placement cavity formed in the mounting box, a voice box arranged in the placement cavity, a voice controller arranged in the voice box, and a limiting assembly arranged in the placement cavity, and is used for limiting and mounting the voice box. According to the automobile tail door controller, the voice box can be limited and installed through the limiting assembly, when the voice box needs to be overhauled, the voice box is pushed out from the interior of the containing cavity through the electric push rod, the purposes that tool disassembly is not needed, and manual pulling-out is achieved are achieved, and the working efficiency of voice box overhauling is improved; and the exposed side of the voice box is blocked through the protection assembly, so that the voice box is prevented from being collided and impacted when objects a