P0331

Knock Sensor 2 Circuit Range/Performance (Bank 2)

DTC P0331, sometimes indicated as P033100 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the ignition system causing knock sensor 2 circuit range/performance (bank 2).

This code indicates that there is a problem with the knock sensor 2 circuit on bank 2. This could be caused by a wiring issue, a bad sensor, or a problem with the ECU.
If you have a wiring issue, the best solution is to have a qualified technician inspect the wiring and fix any problems.
If you have a bad sensor, the best solution is to replace the sensor.
If you have a problem with the ECU, the best solution is to have a qualified technician inspect the ECU and fix any problems.

  • P0331: Knock Sensor 2 Circuit Range/Performance (Bank 2)
  • P0331: Knock Sensor 2 Circuit Range/Performance Bank 2
  • P0331: Knock Sensor 2 CKT Range/Performance (Bank 2)
  • P0331: Knock sensor (KS) 2, bank 2 – range/performance problem
  • P0331 00: Incorrect signal from knock sensor 2
  • P0331 00: Knock sensor (KS) 2, bank 2 - range/performance problem

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • 1804623 - POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
    ALFA ROMEO: Flash: powertrain control module (pcm) updates customers may experience a malfunction indicator lamp (mil) illumination. Upon further investigation the technician may find one or more of the following dtcs have been set: ? **P0331-00 - kno
  • 1804523 - VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
    ALFA ROMEO: Flash: powertrain control module (pcm) updates customers may experience a malfunction indicator lamp (mil) illumination. Upon further investigation the technician may find one or more of the following dtcs have been set: ? **P0331-00 - kno
  • 22-NA-229 - ELECTRICAL SYSTEM
    CADILLAC: This technical bulletin provides repair information to correct a customer concern of possible audible knock due to reduced knock sensor detection capability dtc P0325, P0330, P0326, P0331, P06B6 or P06B7 may be set in history.
  • PIP5836A - ELECTRICAL SYSTEM
    CHEVROLET: This preliminary information communicates a possible emerging issue and recommendations to correct for a dtc P0331 and updated to change recommendations.
  • PIP5773B - ENGINE (PWS)
    CHEVROLET: This preliminary information communicates to the technican an inspection and do not replace any compponents as engineering is investigating the cause for knock sensor 2 perfomance dtc P0331.
  • PIP5273 - ELECTRICAL SYSTEM:WIRING
    CHEVROLET: This preliminary information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp that comes on. Technician may find diagnostic trouble codes P0326 of P0331 set i
  • A011388 2033766- - ELECTRICAL SYSTEM
    AUDI: 01 mil on (dtc P033100 or P033200) in ecm - repair authorization
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