Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
P0324
Knock Sensor Signal = Excessive engine knocking
P0325, P0330
Signal circuit = Open - For greater than 5 s
P0326, P0331
Signal Performance = Low Frequency
P0327, P0332
Signal circuit = Short to Ground - For greater than 5 s
P0328, P0333
Signal circuit = Short to Voltage - For greater than 5 s
P06B6, P06B7
A fault of the processor that evaluates the knock sensor signal was detected.