The automatic transmission may develop shifting concerns. On lower mileage vehicles, upgrading the software in the powertrain control module (PCM) and the transmission control module (TCM) may correct the problem. As the mileage increases, internal transmission damage can occur. Repairs could involve replacement of the valve body or a complete transmission rebuild. Whenever major transmission repairs are made, it is important to be sure the PCM and the TCM have the latest software updates to help prevent these issues from reoccurring.
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Most reported 2012 Ford Fusion problems
If the transmission oil leaks out of left side half shaft area, it may be from a worn axle shaft seal. The seal can be damaged by a poor surface finish on the axle shaft. The axle shaft and seal should be replaced to correct the problem.
Let's see, had to replace rear brakes and rotors at 27000 miles, have had to replace all 4 tires, 11000 miles after brakes and rotors were replaced I hear a grinding noise so I take the car back in-have to replace both yet again (which they were still under warranty where I had had them replaced, so it was free thank god), but then they tell me that the rear driver's side calipers had seized up-so goodbye to 400.00. Plus calipers would have be...
Electrolysis can cause repeated failures of the heater core and radiator. The diagnosing technician should check for voltage present in the coolant, with the battery disconnected, because electrical current in the coolant causes electrolysis. Corroded or deteriorated parts should be replaced, and the coolant should be flushed. Ground straps can be added to help prevent future corrosion of components.