Conditions for Setting the DTC: P0325: Notes

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The KS signal circuits are open or shorted together for 6 seconds.

P0326

The KS signal indicates an excessive engine knock is present.
The control module commanded spark retard at a given engine load and speed is more than the calibrated value.
The above conditions exist for 6 seconds.