AutoCodes – Nissan – P0333 2011 Nissan Altima Sedan

P0333 2011 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 2011 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,758

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0333 2011 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 2011 Nissan Altima Sedan - Knock Sensor 2 Circuit High Input Bank 2 - AutoCodes.com — P0333 2011 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 2011 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 2011 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 2011 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.

Need more information about the P0333 2011 Nissan Altima Sedan code?

Need more information on how to fix the P0333 2011 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0333 2011 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area

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 2011 Nissan Altima Sedan Code

1. What are common symptoms of OBDII code P0333 in a 2011 Nissan Altima Sedan?

- Common symptoms include engine knocking or pinging sounds, reduced engine performance, and potential stalling.

2. What does the OBDII code P0333 for a Knock Sensor 2 Circuit High Input Bank 2 indicate in a 2011 Nissan Altima Sedan?

- This code indicates that there is a high input signal detected from the knock sensor 2 on bank 2 of the engine.

3. What are the possible causes of OBDII code P0333 in a 2011 Nissan Altima Sedan?

- Possible causes include a faulty knock sensor, wiring issues, poor electrical connections, or engine mechanical problems.

4. How can I diagnose the OBDII code P0333 on my 2011 Nissan Altima Sedan?

- Diagnosis involves inspecting the knock sensor and its wiring, checking for any loose connections, and testing the sensor's resistance and signal output.

5. Can I drive my 2011 Nissan Altima Sedan with OBDII code P0333?

- It is not recommended to drive the vehicle with this code as it can lead to engine performance issues and potential damage if left unresolved.

6. How can I repair OBDII code P0333 on my 2011 Nissan Altima Sedan?

- Repairs may involve replacing the knock sensor, repairing or replacing damaged wiring, ensuring proper electrical connections, and clearing the fault code.

7. Are there any DIY tips for addressing OBDII code P0333 in a 2011 Nissan Altima Sedan?

- DIY tips include inspecting the sensor and wiring visually, checking for any visible damage, and ensuring all connections are secure before considering sensor replacement.

8. What are the consequences of ignoring OBDII code P0333 in a 2011 Nissan Altima Sedan?

- Ignoring this code can lead to decreased fuel efficiency, potential engine damage from pre-ignition, and eventually, the vehicle failing to start.

9. How much does it typically cost to repair OBDII code P0333 on a 2011 Nissan Altima Sedan?

- The cost of repair can vary depending on the root cause, but it may range from $150 to $400, including parts and labor.

10. Can a faulty knock sensor trigger other OBDII codes in a 2011 Nissan Altima Sedan?

- Yes, a faulty knock sensor can trigger related codes such as P0325 (Knock Sensor 1 Circuit Malfunction Bank 1) or cause issues that result in other engine performance-related codes.