Mazda 6 Service Manual: No.19 excessive shift shock on torque converter clutch (tcc)

No.18 excessive shift shock is felt when upshifting and downshifting

No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

Other materials:

Mazda 6 Service Manual: Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points to best suit the road conditions and driver input. This improves driving feel. The transaxle may switch to AAS mode when driving up and down slopes, cornering, driving at high elevations, or depressing the accelerato ...

Mazda 6 Service Manual: Electrical troubleshooting tools
Jumper wire A jumper wire is used to create a temporary circuit. Connect the jumper wire between the terminals of a circuit to bypass a switch. Caution Do not connect a jumper wire from the power source line to a body ground. This may cause burning or other damage to wiring harnesse ...