Conditions For Setting DTC

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

The PCM detects that the ignition control circuit is experiencing one of the following conditions; grounded, open or shorted to voltage.
The conditions are met for less than 1 second.