What does check engine code P0325 mean?

P0325 is a generic OBD-II code that indicates that the engine's knock sensor has failed. The knock sensor is used to detect engine knocking, which can cause engine damage. When the knock sensor fails, it can cause the engine to run rough or stall. In some cases, the check engine light may come on. The code is set when the knock sensor signal is missing or erratic. If you have a P0325 code, it is essential to have the problem diagnosed and repaired as soon as possible. Depending on the cause, a P0325 code can be challenging to diagnose and repair. If the knock sensor is the problem, it will need to be replaced. The knock sensor wiring will need to be repaired or replaced if the problem is with the knock sensor wiring. The engine computer will need to be replaced if the problem is with the engine computer.