Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The MSM will clear the DTC as an active malfunction when it sees the analog input from this sensor as between 0.25 V and 4.75 V during one cycle of checking the MSM inputs.