Actions Taken When DTC Sets

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

PCM will illuminate the Malfunction Indicator Light (MIL) during the second consecutive trip in which the diagnostic test has run and failed.
PCM will store conditions which were present when the DTC set as Freeze Frame/Failure Records data.