No. 21 Noise Occurs At Idle When Vehicle Is Stopped In D Range, Or In R Position

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DESCRIPTION AND POSSIBLE CAUSE

21	Noise occurs at idle when vehicle is stopped in D range, or in R position
DESCRIPTION	Transaxle is noisy in driving ranges when vehicle idling.
POSSIBLE CAUSE	Although the malfunction is basically the same as No. 20 "NOISE OCCURS AT IDLE WHEN VEHICLE IS STOPPED IN ALL POSITIONS/RANGES", other causes may include selector lever position disparity or TR switch position disparity.