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: On-board diagnostic test
DTCs Reading Procedure 1. Perform the necessary vehicle preparation and visual inspection. 2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located as shown in the figure. 3. Retrieve DTCs by WDS or equivalent. Pending Trouble Code Access Procedure 1. Perform the necessary ...

Mazda 6 Service Manual: Dsc system inspection
Preparation 1. Verify that the battery is fully charged. 2. With ignition switch on, verify that the ABS warning light goes out after 2.4 seconds. 3. Turn the ignition switch off. 4. On level ground, jack up the vehicle and support it evenly on safety stands. 5. Shift the transaxle to N posi ...