Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

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

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

Other materials:

Mazda 6 Service Manual: Pcm configuration
1. Connect the WDS to DLC-2. 2. Set up the WDS (including the vehicle recognition.) 3. Select Module programming. 4. Select Programmable module installation. 5. Select PCM and perform procedures according to directions on the WDS screen. Note If PCM CONFIGURATION is successful, the PCM ...

Mazda 6 Service Manual: Outside Temperature Display (Without Multi-information Display)
When the ignition is switched ON, the outside temperature is displayed. NOTE Under the following conditions, the outside temperature display may differ from the actual outside temperature depending on the surroundings and vehicle conditions: Significantly cold or hot temperatures. Sudden ...