Conditions For Clearing DTC

WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

The current DTC will clear once an ignition cycle has occurred without the fault recurring.
After 100 concurrent ignition cycles occur without the fault recurring, a history DTC clears.
Using a scan tool.