AutoCodes – Nissan – P0333 2010 Nissan Altima Sedan

P0333 2010 Nissan Altima Sedan Code - Knock Sensor 2 Circuit High Input Bank 2

Quick Answer

The knock sensor is attached to the cylinder block. Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P0333 2010 Nissan Altima Sedan indicates Knock Sensor 2 Circuit High Input Bank 2.
Common causes: Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 2,214

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0333 2010 Nissan Altima Sedan Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM).

OBDII Code P0333 2010 Nissan Altima Sedan - Knock Sensor 2 Circuit High Input Bank 2 - AutoCodes.com — P0333 2010 Nissan Altima Sedan Code - Knock Sensor 2 Circuit High Input Bank 2

What does this mean?

What are the Possible Causes of the DTC P0333 2010 Nissan Altima Sedan?

Faulty knock sensor
Knock sensor circuit poor electrical connection
Knock sensor harness is open or shorted
Faulty Engine Control Module (ECM)

How to Fix the DTC P0333 2010 Nissan Altima Sedan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

The P0333 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually takes care of the problem. If you have other codes along with the knock sensor code fix the other codes first and see if that fixes the knock sensor code also.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0333 2010 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0333 2010 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0333 in a 2010 Nissan Altima Sedan?

The common symptoms of code P0333 (Knock Sensor 2 Circuit High Input Bank 2) in a 2010 Nissan Altima Sedan include engine knocking or pinging noises, decreased fuel efficiency, and potential loss of power.

2. What causes the OBDII code P0333 in a 2010 Nissan Altima Sedan?

The most common causes of code P0333 in a 2010 Nissan Altima Sedan are a faulty knock sensor, damaged wiring or connectors related to the knock sensor, or engine issues causing abnormal vibrations.

3. How serious is OBDII code P0333 in a 2010 Nissan Altima Sedan?

While code P0333 may not cause immediate engine failure, it can lead to long-term damage if left unresolved. It is essential to address this issue promptly to prevent potential engine problems.

4. Can a faulty knock sensor cause other issues besides triggering code P0333 in a 2010 Nissan Altima Sedan?

Yes, a faulty knock sensor can cause issues beyond triggering code P0333, such as reduced engine performance, increased emissions, and potential damage to the engine over time if not addressed.

5. How can I diagnose and repair OBDII code P0333 in a 2010 Nissan Altima Sedan?

To diagnose and repair code P0333, start by inspecting the knock sensor, wiring, and connectors for any visible damage. Test the knock sensor's resistance and voltage, and if necessary, replace the sensor or repair any damaged wiring or connectors.

6. Is it safe to drive a 2010 Nissan Altima Sedan with OBDII code P0333?

It is not recommended to drive a 2010 Nissan Altima Sedan with code P0333 for an extended period. While you may be able to drive short distances, continued driving with this issue can lead to further engine damage.

7. Can I reset the OBDII code P0333 in a 2010 Nissan Altima Sedan by disconnecting the battery?

Disconnecting the battery may clear the code temporarily, but it will not fix the underlying issue causing code P0333. It is crucial to diagnose and repair the root cause of the problem to prevent the code from reappearing.

8. How much does it cost to replace a knock sensor in a 2010 Nissan Altima Sedan?

The cost of replacing a knock sensor in a 2010 Nissan Altima Sedan can vary depending on the location of the sensor, labor costs, and whether you choose to use an OEM or aftermarket part. On average, the cost can range from $150 to $400.

9. Can a DIY enthusiast replace the knock sensor in a 2010 Nissan Altima Sedan?

Replacing the knock sensor in a 2010 Nissan Altima Sedan may require some mechanical knowledge and tools. If you are comfortable working on your vehicle, you can attempt to replace the knock sensor yourself by following a repair manual or online guides.

10. How often should the knock sensor be checked or replaced in a 2010 Nissan Altima Sedan?

The knock sensor in a 2010 Nissan Altima Sedan should be checked during regular maintenance inspections and replaced if any issues are detected. It is recommended to follow the manufacturer's guidelines for maintenance intervals to ensure optimal engine performance.