Transmission Noise In "P" & "N" Positions
WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: incorrect fluid level or line pressure, TP sensor misadjusted, faulty revolution sensor or VSS signal, or damaged oil pump or torque converter.