Conditions For Clearing DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
DTC clears when condition responsible for setting DTC no longer exists. History DTC will clear once 255 malfunction free ignition cycles have occurred.