Conditions for Clearing the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 0.22-4.75 volts and the ignition is cycled OFF then back to ACC or RUN.
A history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.