Mazda 6 Service Manual: No.18 excessive shift shock is felt when upshifting and downshifting

No.17 excessive shift shock from n to d or n to r position/range

No.19 excessive shift shock on torque converter clutch (tcc)

Other materials:

Mazda 6 Service Manual: Drive Selection (Some models)
Drive selection is a system to switch the vehicle's drive mode. When the sport mode is selected, vehicle's response against accelerator operation is enhanced. This provides additional quick acceleration which may be needed to safely make maneuvers such as lane changes, merging onto freeways, o ...

Mazda 6 Service Manual: Warranties for Your Mazda
New Vehicle Limited Warranty Powertrain Limited Warranty Safety Restraint System Limited Warranty Anti-perforation Limited Warranty Federal Emission Control Warranty/California Emission Control Warranty Emission Defect Warranty Emission Performance Warranty Emission Control Warranty ...