故障现象一辆2012款奥迪A7 Sportback车,搭载2.8 L发动机和0B5型7速湿式双离合变速器,累计行驶里程约为6.7万km。客户电话反映,仪表盘上有1个类似齿轮符号的故障灯点亮,并且提示“变速器故障:您可以继续驾驶车辆”(图1)。通过客户提供的故障灯照片,确认为变速器故障灯,建议客户将车辆开到店里以作进一步检查。 Trouble phenomenon A 2012 Audi A7 Sportback car, equipped with 2.8 L engine and 0B5 7-speed wet dual clutch transmission, the cumulative mileage of about 67,000 km. The customer’s call reflects that a fault light similar to the gear symbol on the dashboard lights up and prompts “TRANSMISSION FAULT: You can continue driving the vehicle” (Figure 1). Through the fault light photo provided by the customer, it is confirmed as the transmission fault light, and the customer is advised to drive the vehicle to the store for further inspection.