Conditions for Setting the DTCs
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
P0325
The ECM detects knock sensor 1 signal circuit is open.
P0327
The ECM detects knock sensor 1 signal circuit is shorted to ground.
P0328
The ECM detects knock sensor 1 signal circuit is shorted to voltage.
P0330
The ECM detects knock sensor 2 signal circuit is open.
P0332
The ECM detects knock sensor 2 signal circuit is shorted to ground.
P0333
The ECM detects knock sensor 2 signal circuit is shorted to voltage.