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: Stopping The Smart Brake Support (SBS) System Operation
The Smart Brake Support (SBS) system can be temporarily deactivated. When the Smart Brake Support (SBS) system is turned off, the Smart Brake Support (SBS) OFF indicator light turns on. When the engine is restarted, the system becomes operational. NOTE If the Smart Brake Support (SBS) system ...

Mazda 6 Service Manual: Sas unit removal/installation
Warning Handling the SAS unit improperly can accidentally deploy the air bag modules and pre-tensioner seat belt, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the SAS unit. (See SERVICE WARNINGS.) Caution When replacing the SAS unit, config ...