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P0720 Nissan Code - Vehicle Speed Sensor

Quick Answer

The P0720 OBD-II trouble code refers to a malfunction in the vehicle speed sensor circuit. Common causes include Faulty vehicle speed sensor, Damaged or corroded wiring/connectors in the speed sensor circuit, Issues with the ECM or related control modules. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0720 Nissan indicates Vehicle Speed Sensor.
Common causes
Common causes include Faulty vehicle speed sensor, Damaged or corroded wiring/connectors in the speed sensor circuit, Issues with the ECM or related control modules.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0720 Nissan Description

The P0720 OBD-II trouble code refers to a malfunction in the vehicle speed sensor circuit. The vehicle speed sensor (VSS) is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM). This data is used by the ECM to adjust fuel injection, ignition timing, and other engine parameters to ensure optimal performance.

OBDII Code P0720 Nissan - Vehicle Speed Sensor
P0720 Nissan Code - Vehicle Speed Sensor

Common Causes of P0720 Nissan

  1. Faulty vehicle speed sensor
  2. Damaged or corroded wiring/connectors in the speed sensor circuit
  3. Issues with the ECM or related control modules
  4. Mechanical issues affecting the speed sensor, such as debris or damage

Symptoms of P0720 Nissan

  1. Inaccurate or erratic speedometer readings
  2. Rough or delayed shifting
  3. Poor acceleration
  4. Decreased fuel efficiency

How to Fix P0720 Nissan

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and inspect the VSS and related components.
  2. Test the vehicle speed sensor using a multimeter to check for proper voltage and resistance.
  3. Replace the faulty speed sensor if necessary, ensuring proper installation and connection.
  4. Inspect and repair any damaged wiring or connectors in the speed sensor circuit.
  5. Clear the trouble code and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P0720 Nissan

The cost of repairing a P0720 code can vary depending on the specific vehicle make and model, as well as the extent of the repair needed. In general, the cost of replacing a vehicle speed sensor ranges from $100 to $300, including both parts and labor. Additional costs may apply if there are other components that need to be repaired or replaced. It is recommended to consult with a trusted automotive technician or repair shop for a more accurate estimate based on the individual circumstances of the vehicle.

What does this mean?

Tech Notes for P0720 Nissan

On most Nissan vehicles, the vehicle speed sensor is called Revolution Sensor.





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When is the Code Detected?

Diagnostic trouble code is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor.

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Information for Specific Nissan Models

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 P0720 Nissan Code

1. What is OBDII code P0720 for Nissan?

- OBDII code P0720 in Nissan vehicles indicates a fault with the Vehicle Speed Sensor (VSS).

2. What are common symptoms of a P0720 code in a Nissan?

- Common symptoms of a P0720 code in a Nissan include speedometer issues, erratic or non-functional speedometer readings, and potential transmission shifting problems.

3. What causes the P0720 code to trigger in a Nissan?

- The P0720 code in a Nissan is typically triggered by a faulty Vehicle Speed Sensor (VSS), damaged wiring or connectors related to the VSS, or issues with the VSS circuit.

4. How can I diagnose the P0720 code in my Nissan?

- To diagnose the P0720 code in your Nissan, you can use an OBDII scanner to retrieve the code and inspect the Vehicle Speed Sensor and its wiring for any visible damage or wear.

5. Can I still drive my Nissan with a P0720 code?

- It is not recommended to drive your Nissan with a P0720 code as it can lead to inaccurate speed readings and potential transmission issues, affecting the overall performance and safety of the vehicle.

6. How do I repair a P0720 code in my Nissan?

- Repairing a P0720 code in a Nissan involves replacing the faulty Vehicle Speed Sensor (VSS), repairing or replacing damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

7. Are there any DIY tips for fixing a P0720 code in my Nissan?

- DIY tips for fixing a P0720 code in a Nissan include checking the VSS and its wiring for visible damage, ensuring proper connections, and replacing the VSS if necessary. However, if you are unsure, it is best to consult a professional mechanic.

8. How much does it cost to fix a P0720 code in a Nissan?

- The cost to fix a P0720 code in a Nissan can vary depending on the extent of the issue, the cost of the replacement parts, and labor charges. On average, the repair cost can range from $100 to $300.

9. Can a P0720 code in a Nissan cause other problems if left untreated?

- Yes, leaving a P0720 code untreated in a Nissan can lead to further issues such as inaccurate speed readings, transmission shifting problems, and potential damage to other vehicle components over time.

10. How can I prevent the P0720 code from reoccurring in my Nissan?

- To prevent the P0720 code from reoccurring in your Nissan, it is essential to perform regular maintenance checks, ensure proper wiring connections, and address any issues promptly to avoid further complications.

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