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: Dtc c1095, c1096
Caution When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used. Diagnostic procedure ...

Mazda 6 Service Manual: Sunroof motor inspection
Motor 1. Remove the sunroof motor. 2. Apply battery positive voltage to the sunroof motor terminals and inspect the operation of the sunroof motor. If not as specified, replace the sunroof motor. Limit Switch 1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.) 2. Verify t ...