P0331 - Knock Sensor 2 Circuit Range/Performance Low (Bank 2) - DTC Chart

P0331 - KNOCK SENSOR 2 CIRCUIT RANGE/PERFORMANCE LOW (BANK 2) - DTC CHART

Description: This DTC sets when the voltage goes outside a calibrated level. The knock sensor 2 (KS2) detects vibrations upon increase and decrease in engine RPM. The KS2 generates a voltage based on this vibration.
Possible Causes: KS2+ circuit open KS2- circuit open KS2+ circuit short to voltage KS2- circuit short to voltage KS2+ circuit short to ground KS2- circuit short to ground Damaged KS2
Diagnostic Aids: A KS2 voltage greater than 0.5 volt with the ignition ON, engine OFF, indicates a concern is present. The vehicle may need to be driven for several minutes to set this DTC.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test DG .