Conditions for Setting the DTC

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The IPC detects that the ignition 1 voltage circuit is active and the ignition 0 circuit is inactive.
The IPC detects that the crank voltage circuit is active and the ignition 0 voltage circuit is inactive.
The IPC detects that the crank voltage circuit is active and the ignition 1 voltage circuit is inactive.
One of the above conditions is present for greater than 0.3 seconds.