What does code P0326 mean?

Q: What does code P0326 mean?

Knock Sensor 1 Circuit Range/Performance (Bank 1). P0326 means the engine computer has detected that the knock sensor circuit for Bank 1 is reporting a signal outside its expected range or performance window, so it cannot reliably hear engine knock. The computer sets this code when the sensor voltage stays too high, too low, or erratic for longer than the calibration allows during normal engine operation.

DTC codes / P03xx · Ignition system and misfire / P0326

P0326Knock Sensor 1 Circuit Range/Performance (Bank 1)

P0326 means the engine computer has detected that the knock sensor circuit for Bank 1 is reporting a signal outside its expected range or performance window, so it cannot reliably hear engine knock. The computer sets this code when the sensor voltage stays too high, too low, or erratic for longer than the calibration allows during normal engine operation.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.