Conditions for Clearing the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The DTC clears when the fault is no longer detected.
The current DTC will become history when the request for the output is removed.
The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.