Excessive Gear Shift Shock
WARNING: This page is about a different car, the 2002 Mazda Millenia and 2001 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: line pressure too low or too high, 2-4 brake band slipping, 3-4 clutch slipping, TP sensor malfunction, VSS malfunction, input/turbine speed sensor faulty, TFT sensor malfunction, shift solenoids sticking, 3-2 timing solenoid failure, pressure control solenoid sticking, valve body failure and/or poor body ground.