AutoCodes – Nissan – P0327 2012 Nissan Pathfinder

P0327 2012 Nissan Pathfinder Code - Knock Sensor Circuit Low 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
P0327 2012 Nissan Pathfinder indicates Knock Sensor Circuit Low 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 2,584
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0327 2012 Nissan Pathfinder 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 P0327 2012 Nissan Pathfinder - Knock Sensor Circuit Low Input Bank 1 - AutoCodes.com
P0327 2012 Nissan Pathfinder Code - Knock Sensor Circuit Low Input Bank 1

What are the Possible Causes of the DTC P0327 2012 Nissan Pathfinder?

  • 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 P0327 2012 Nissan Pathfinder?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0327 2012 Nissan Pathfinder 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 P0327 2012 Nissan Pathfinder code?

Need more information on how to fix the P0327 2012 Nissan Pathfinder 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 P0327 2012 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0327 in a 2012 Nissan Pathfinder?

- Common symptoms include reduced engine performance, engine knocking noises, and illuminated Check Engine Light.

2. What does the OBDII code P0327 "Knock Sensor Circuit Low Input Bank 1" mean in a 2012 Nissan Pathfinder?

- This code indicates that the knock sensor in Bank 1 is detecting a low input signal, potentially leading to engine performance issues.

3. What are the possible causes of the P0327 code in a 2012 Nissan Pathfinder?

- Potential 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 cause of the P0327 code in my 2012 Nissan Pathfinder?

- Diagnosing the code may involve visually inspecting the knock sensor and its wiring, testing the sensor's resistance, checking for damaged wires, and using a scan tool to monitor sensor data.

5. Can driving with a P0327 code in a 2012 Nissan Pathfinder cause further damage?

- Continuing to drive with a faulty knock sensor can lead to decreased fuel efficiency, engine pinging, and potential damage to the engine over time.

6. Are there any simple repair tips for fixing the P0327 code in a 2012 Nissan Pathfinder?

- Basic repair tips include checking and cleaning the knock sensor connections, inspecting the wiring harness for damage, and replacing the knock sensor if necessary.

7. Should I replace the knock sensor myself, or is it recommended to seek professional help?

- While replacing the knock sensor is possible for DIY enthusiasts, seeking professional help is advised for proper diagnosis and repair to ensure the issue is resolved correctly.

8. How much does it typically cost to repair the P0327 code in a 2012 Nissan Pathfinder?

- The cost of repairing the P0327 code can vary based on the root cause, but it may range from $150 to $400 for parts and labor, depending on the extent of the repair needed.

9. Can resetting the Check Engine Light resolve the P0327 code temporarily in a 2012 Nissan Pathfinder?

- Resetting the Check Engine Light may temporarily clear the code, but it will likely reappear if the underlying issue causing the P0327 code is not addressed.

10. Is it safe to drive my 2012 Nissan Pathfinder with the P0327 code if the engine seems to be running fine?

- It is not recommended to drive with the P0327 code present, as it can lead to potential engine damage and decreased performance over time.

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