Conditions For Running DTC

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Engine is running.
Idle Air Control (IAC) position is more than 2 counts.
Ignition 1 signal is more than 8 volts.
Conditions met for more than 0.5 second.