Action Taken When DTC Sets

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

The PCM illuminates the Malfunction Indicator Lamp (MIL) on the second consecutive drive trip that the diagnostic runs and fails. Cruise Control is disabled.
The PCM records the operating conditions at the time when the Conditions for Setting DTC are met.
The PCM stores this information as Freeze Frame and Failure Records.
The PCM stores P0500 in PCM history.