AutoCodes – Nissan – P0328 2009 Nissan Sentra

P0328 2009 Nissan Sentra 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 Sentra 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 3,104

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
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 Sentra 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 Sentra - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2009 Nissan Sentra Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 2009 Nissan Sentra?

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 Sentra?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0328 2009 Nissan Sentra 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 P0328 2009 Nissan Sentra code?

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

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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 Sentra Code

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

- Common symptoms include engine pinging or knocking noises, reduced engine performance, and in some cases, the Check Engine light may illuminate.

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

- This code indicates that the knock sensor in Bank 1 of the engine is detecting a higher-than-normal voltage input, potentially due to a wiring issue or a faulty sensor.

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

- Possible causes include a faulty knock sensor, damaged wiring or connectors related to the knock sensor, engine detonation, or issues with the engine control module.

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

- Diagnosing this code typically involves inspecting the knock sensor and its wiring for any visible damage, testing the sensor's resistance, and checking for any abnormal engine noises.

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

- It is not recommended to continue driving with this code as it can lead to potential engine damage if left unresolved. It's best to address the issue promptly.

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

- Repairing this code may involve replacing the knock sensor, repairing any damaged wiring or connectors, clearing the code with a diagnostic tool, and conducting a test drive to ensure the issue is resolved.

7. Are there any DIY tips for fixing OBDII code P0328 in a 2009 Nissan Sentra?

- While some may attempt DIY repairs, it's often best to consult a professional mechanic for accurate diagnosis and proper repair of the knock sensor circuit high input issue.

8. What happens if I ignore OBDII code P0328 in my 2009 Nissan Sentra?

- Ignoring this code can lead to decreased engine performance, potential fuel efficiency issues, and in severe cases, engine damage due to pre-ignition or knocking.

9. How much does it typically cost to repair OBDII code P0328 in a 2009 Nissan Sentra?

- The cost of repairing this code can vary depending on the exact cause of the issue, but it may involve expenses for parts, labor, and diagnostic fees, ranging from $200 to $500 or more.

10. Can a faulty knock sensor trigger other OBDII codes in a 2009 Nissan Sentra?

- Yes, a faulty knock sensor can sometimes trigger related codes such as P0325 (Knock Sensor Circuit Malfunction) or P0330 (Knock Sensor Circuit Malfunction - Bank 2) in addition to P0328.