The application relates to the technical field of linkage control and discloses a passenger car full-
liquid crystal instrument multi-
bus fault hierarchical linkage control method, which comprises the following steps: collecting fault data of each
bus of a target object in real time, analyzing the fault data, and generating a linkage influence
weight value representing the influence of the
bus fault on the cooperative operation of the target object, wherein the target object is a passenger car; through the generation of the linkage influence
weight value, the comprehensive influence of a
single fault on the cooperative operation of the whole vehicle is accurately reflected; then, according to a dynamic hierarchical reference value, the fault is divided into an emergency linkage level, a medium-priority linkage level and a low-priority linkage level, the adaptive grading of the fault
processing sequence is realized, a linkage risk comprehensive value is calculated, the dynamic
threat degree of concurrent faults to the stability of the vehicle is quantified, and finally, the differentiated linkage control is executed according to the linkage risk comprehensive value, so that the accurate and efficient linkage control under the concurrent fault of the passenger car is realized, and the safety and control
cooperativity of the whole vehicle under the multi-bus concurrent fault scene are improved.