Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

The current DTC will clear and set to history, when the MSM sees the analog input from the sensor as between 0.22 volts and 4.75 volts and the power mode changes to OFF then back to ACC or RUN.
The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.