Vehicle data conflict diagnosis method and device, computer equipment and storage medium

The invention relates to a vehicle data conflict diagnosis method and device, computer equipment and a storage medium. The method comprises the following steps: under the condition that no diagnostic data exists on a bus, sending a diagnostic session query request instruction to the electronic control units, so that the electronic control units generate and send current diagnostic session states in one-to-one correspondence with the electronic control units; and under the condition that the current diagnosis session state returned by the electronic control unit comprises a non-default diagnosis session state, forbidding sending a diagnosis service request instruction to the electronic control unit. By adopting the method, conflicts caused by sudden access of the diagnosis service can be avoided, so that normal proceeding of thread tasks such as OTA upgrade service and the like on the bus is guaranteed, and the stability of a vehicle system is improved. 本申请涉及一种车辆数据诊断冲突方法、装置、计算机设备和存储介质。所述方法包括在总线上不存在诊断数据的情况下，发送诊