Conditions For Clearing DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Current DTC clears when condition responsible for setting DTC no longer exists and a CLEAR DTC's command is issued via scan tool. History DTC will clear once 255 malfunction-free ignition cycles have occurred.