A 2014 Maserati Ghibli with a 3.0T engine has accumulated approximately 74,000 miles. The owner reported that the driver's side window could not be raised after it was lowered to the bottom. The garage operated the driver's side window glass lift switch and found that the left front glass lifter did not work, while the other three windows lifted normally. Pico oscilloscope detection, the driver's side door control module (DDM) stored in a number of fault codes (Figure 1), suggesting that the message points to an internal failure of the DDM.

A 2014 Mercedes-Benz A200 with an M270 engine and a cumulative mileage of about 120,000km was involved in a collision that ruptured the engine oil pan. After replacing the oil pan with a new one and filling the engine oil to the standard level and testing the vehicle, the engine was found to have a delayed start and the engine malfunction light on the after-start instrumentation was illuminated abnormally.

A 2018 Audi A6L with a CUH engine with approximately 50,000km of accumulated mileage reported occasional poor acceleration and severe engine shudder when accelerating sharply while driving.