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: Selector cable adjustment
1. Remove the center console. 2. Shift the selector lever to P position. 3. Unlock the lock piece of the selector cable (selector lever side) in the order shown in the figure. 4. Verify that the manual shaft is in P position. 5. Lock the lock piece of the selector cable (selector lever side) ...

Mazda 6 Service Manual: Foreword
Caution When the engine does not start or stalls and the following DTCs are not indicated, go to engine symptom troubleshooting. Note When the immobilizer system is defective, the engine cannot be started. If engine condition is normal but light stays on, inspect for short circ ...