AutoCodes – Nissan – P0328 2003 Nissan Altima Sedan

P0328 2003 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 2003 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 7,893

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 2003 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 2003 Nissan Altima Sedan - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2003 Nissan Altima Sedan Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 2003 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 2003 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0328 2003 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 P0328 2003 Nissan Altima Sedan code?

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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 2003 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0328 in a 2003 Nissan Altima Sedan?

- The common symptoms include engine knocking or pinging noises, reduced engine performance, and the illumination of the check engine light.

2. What does the OBDII code P0328 on a 2003 Nissan Altima Sedan indicate?

- The code P0328 indicates a high input signal from the knock sensor in Bank 1 of the engine.

3. What are the possible causes of the Knock Sensor Circuit High Input code in a 2003 Nissan Altima Sedan?

- Possible causes include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the cause of OBDII code P0328 in my 2003 Nissan Altima Sedan?

- To diagnose the issue, you can start by visually inspecting the knock sensor wiring and connectors, testing the knock sensor for proper function, and checking the ECM for any faults.

5. Can I continue driving my 2003 Nissan Altima Sedan with OBDII code P0328?

- It is not recommended to drive the vehicle with a faulty knock sensor, as it can lead to engine damage and reduced performance over time.

6. How can I repair OBDII code P0328 in my 2003 Nissan Altima Sedan?

- The repair may involve replacing the knock sensor, repairing any damaged wiring or connectors, or resetting the ECM after addressing the issue.

7. Is it possible to reset the check engine light after fixing OBDII code P0328 in a 2003 Nissan Altima Sedan?

- Yes, you can reset the check engine light using an OBDII scanner or by disconnecting the car's battery for a few minutes.

8. Will fixing the Knock Sensor Circuit High Input code improve the performance of my 2003 Nissan Altima Sedan?

- Yes, addressing the P0328 code and ensuring the knock sensor is functioning properly can help restore engine performance and fuel efficiency.

9. How much does it cost to repair OBDII code P0328 in a 2003 Nissan Altima Sedan?

- The cost of repair can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

10. Can a DIY enthusiast fix OBDII code P0328 in a 2003 Nissan Altima Sedan?

- While some experienced DIY enthusiasts may be able to replace the knock sensor or check wiring connections, it is recommended to consult a professional mechanic for accurate diagnosis and repair.