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: Dtc clearing procedure
1. Start the on-board diagnostic test mode. 2. First press the POWER button, then simultaneously press AUDIO CONT button for 2 seconds or more. Caution Before clearing the DTCs, be sure to enter all of them displayed in the on-board diagnostic test mode in the Audio Repair Order Form. ...

Mazda 6 Service Manual: Multiplex communication system
Outline In case the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the SST (WDS or equivalent) to determine the malfunctioning system. - PCM - DSC HU/CM (with DSC) - ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS) - Instrument clus ...