Conditions For Clearing DTC
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. 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 and CLEAR DTC command is issued using scan tool. History DTC will clear after 255 consecutive ignition cycles have occurred.