Engine-Codes.com
Engine-Codes – Nissan – P0328 2009 Nissan Altima Sedan

P0328 2009 Nissan Altima Sedan Code - Knock Sensor Circuit High Input- Bank 1

Quick Answer

The diagnostic trouble code P0328 for a 2009 Nissan Altima Sedan refers to a Knock Sensor Circuit High Input in Bank 1. Common causes include Faulty knock sensor, Wiring or connector issues in the knock sensor circuit, ECM/PCM malfunction. 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
P0328 2009 Nissan Altima Sedan indicates Knock Sensor Circuit High Input- Bank 1.
Common causes
Common causes include Faulty knock sensor, Wiring or connector issues in the knock sensor circuit, ECM/PCM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0328 2009 Nissan Altima Sedan Description

The diagnostic trouble code P0328 for a 2009 Nissan Altima Sedan refers to a Knock Sensor Circuit High Input in Bank 1. The knock sensor is a crucial component in the engine management system that detects abnormal combustion, often referred to as engine "knocking" or "pinging." This code indicates that the knock sensor in Bank 1 (which typically refers to the side of the engine where cylinder 1 is located) is reporting a high input signal to the engine control module (ECM) or powertrain control module (PCM).

OBDII Code P0328 2009 Nissan Altima Sedan - Knock Sensor Circuit High Input- Bank 1
P0328 2009 Nissan Altima Sedan Code - Knock Sensor Circuit High Input- Bank 1

Common Causes of P0328 2009 Nissan Altima Sedan

  1. Faulty knock sensor
  2. Wiring or connector issues in the knock sensor circuit
  3. ECM/PCM malfunction
  4. Engine mechanical problems causing vibrations or abnormal combustion
  5. Poor quality fuel or incorrect fuel octane rating

Symptoms of P0328 2009 Nissan Altima Sedan

  1. Engine knocking or pinging noises
  2. Reduced engine performance
  3. Decreased fuel efficiency
  4. Illumination of the check engine light
  5. Rough idling or hesitation during acceleration

How to Fix P0328 2009 Nissan Altima Sedan

  1. Begin by performing a visual inspection of the knock sensor, wiring, and connectors for any visible damage or corrosion. Repair or replace any damaged components.
  2. Use a multimeter to test the resistance of the knock sensor and compare it to the manufacturer's specifications. Replace the knock sensor if it is out of range.
  3. Check the wiring harness for continuity and repair any open circuits or shorts.
  4. Clear the diagnostic trouble codes from the ECM/PCM using a scan tool and test drive the vehicle to ensure the issue has been resolved.
  5. If the code persists, further diagnostics may be required to determine if the ECM/PCM needs to be replaced or reprogrammed.

Cost to Fix P0328 2009 Nissan Altima Sedan

The cost of repairing a P0328 code on a 2009 Nissan Altima Sedan can vary depending on the cause of the issue and the labor rates in your area. Typically, the cost of replacing a knock sensor ranges from $150 to $250, while labor costs can range from $100 to $200. However, additional diagnostic time and potential repairs may increase the overall cost. It is recommended to consult with a trusted mechanic or dealership for a more accurate estimate based on your specific situation.

What does this mean?

Tech Notes for P0328 2009 Nissan Altima Sedan

The P0328 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.

When is the Code Detected?

An excessively high voltage from the sensor is sent to Electronic Control Module (ECM)

Need more information about the P0328 2009 Nissan Altima Sedan code?

Need more information on how to fix the P0328 2009 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0328 2009 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 P0328 2009 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0328 in a 2009 Nissan Altima Sedan?

- Common symptoms include poor engine performance, engine knocking noises, decreased fuel efficiency, and potential stalling.

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input- Bank 1" indicate in a 2009 Nissan Altima Sedan?

- This code indicates that the knock sensor is detecting a high input signal, suggesting a potential issue with the sensor or its circuit.

3. What are the possible causes of OBDII code P0328 in a 2009 Nissan Altima Sedan?

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

4. How can I diagnose the OBDII code P0328 in my 2009 Nissan Altima Sedan?

- Diagnosing this code typically involves inspecting the knock sensor and its wiring, checking for loose connections, performing a continuity test, and scanning for additional codes.

5. Can I continue driving my 2009 Nissan Altima Sedan with OBDII code P0328?

- It is not recommended to continue driving with this code present, as it can lead to engine damage and potential safety hazards. It's best to address the issue promptly.

6. How can I repair OBDII code P0328 in my 2009 Nissan Altima Sedan?

- Repair options may include replacing the knock sensor, repairing or replacing damaged wiring, ensuring proper connections, and clearing the fault code from the vehicle's computer.

7. Is it possible to reset the OBDII code P0328 in a 2009 Nissan Altima Sedan without fixing the underlying issue?

- While you can clear the fault code temporarily, it is crucial to address the root cause of the problem to prevent the code from reoccurring and potentially causing further damage.

8. Are there any preventive maintenance tips to avoid OBDII code P0328 in a 2009 Nissan Altima Sedan?

- Regular vehicle maintenance, including checking the knock sensor and related wiring for signs of wear or damage, can help prevent issues leading to this fault code.

9. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P0328 in a 2009 Nissan Altima Sedan?

- Depending on the root cause of the issue, some DIY enthusiasts may be able to address this code themselves by following repair guides and using the necessary tools.

10. Will OBDII code P0328 cause my 2009 Nissan Altima Sedan to fail an emissions test?

- Yes, as this code indicates a potential issue with the knock sensor circuit, it may cause your vehicle to fail an emissions test due to increased emissions or poor engine performance.

Discuss the causes and fixes for P0328 2009 Nissan Altima Sedan OBDII Code

Submit a New Comment

Code P0328 2009 Nissan Altima Sedan comments

No comments found for this page.