OBD Guide
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P0330

Knock/Combustion Vibration Sensor B Circuit

P0330 is an OBD-II diagnostic trouble code meaning: Knock/Combustion Vibration Sensor B Circuit. Common causes: open or short circuit in the sensor wiring harness, knock sensor b malfunction. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Engine knock
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the sensor wiring harness
  • Knock Sensor B Malfunction
  • Poor contact in the sensor connector
  • Wiring damage
  • ECU malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check resistance of knock sensor B
  3. Clean the contacts of the sensor connector
  4. Replace knock sensor B if necessary
  5. Check the operation of the computer

Related codes

P0325P0326P0327P0328

Error P0330 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0330 code mean?

P0330 is an OBD-II diagnostic trouble code that indicates: Knock/Combustion Vibration Sensor B Circuit

What causes a P0330 error code?

The most common causes of P0330 include: Open or short circuit in the sensor wiring harness; Knock Sensor B Malfunction; Poor contact in the sensor connector; Wiring damage.

How do I fix a P0330 diagnostic trouble code?

To fix P0330: Check the integrity of the sensor wiring harness. Check resistance of knock sensor B. Clean the contacts of the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0330?

Limited driving only, diagnose soon

How much does it cost to fix P0330?

The estimated repair cost for P0330 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat