Conditions for Running the DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue, 2001 Oldsmobile Intrigue, and 2000 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.

The ignition voltage is between 9.0-18.0 volts.
The engine speed is greater than 80 RPM.
The PCM driver transitions from ON to OFF or from OFF to ON.