AutoCodes – Nissan – P0328 2009 Nissan Altima Sedan

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

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: P0328 2009 Nissan Altima Sedan indicates Knock Sensor Circuit High Input- Bank 1.
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 2,943

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 Apr 25, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0328 2009 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 P0328 2009 Nissan Altima Sedan - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2009 Nissan Altima Sedan Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 2009 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 P0328 2009 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 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0328 2009 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 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.