Engine-CodesNissan – P0720 2004 Nissan Altima Sedan

P0720 2004 Nissan Altima Sedan Code - Vehicle Speed Sensor

Quick Answer

The P0720 code on a 2004 Nissan Altima Sedan indicates a problem with the vehicle speed sensor. Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation. 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 2004 Nissan Altima Sedan indicates Vehicle Speed Sensor.
Common causes
Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P0720 2004 Nissan Altima Sedan Description

The P0720 code on a 2004 Nissan Altima Sedan indicates a problem with the vehicle speed sensor. The vehicle speed sensor, also known as the VSS, is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM). The ECM uses this data to control various functions such as fuel injection, ignition timing, and transmission shifting.

OBDII Code P0720 2004 Nissan Altima Sedan - Vehicle Speed Sensor
P0720 2004 Nissan Altima Sedan Code - Vehicle Speed Sensor

Common Causes of P0720 2004 Nissan Altima Sedan

  1. Faulty vehicle speed sensor
  2. Damaged wiring or connectors
  3. Corrosion or debris affecting sensor operation
  4. ECM software issues
  5. Mechanical damage to the sensor (e.g., impact or wear)

Symptoms of P0720 2004 Nissan Altima Sedan

  1. Check engine light illuminated
  2. Inaccurate speedometer readings
  3. Harsh or delayed shifting
  4. Loss of power or acceleration
  5. Stalling or rough idling

How to Fix P0720 2004 Nissan Altima Sedan

  1. Begin by diagnosing the vehicle speed sensor using a scan tool to confirm the P0720 code and pinpoint the exact issue.
  2. Inspect the sensor, wiring, and connectors for any visible damage, corrosion, or loose connections.
  3. Replace the faulty vehicle speed sensor if it is determined to be the cause of the code. Ensure the new sensor is compatible with the vehicle's make and model.
  4. Clear the code from the ECM's memory using the scan tool and test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other related components.

Cost to Fix P0720 2004 Nissan Altima Sedan

The typical repair costs for addressing a P0720 code related to the vehicle speed sensor on a 2004 Nissan Altima Sedan can range from $150 to $300. This estimate includes the cost of the new sensor, any necessary wiring repairs or replacements, and labor charges. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to obtain quotes from multiple sources to ensure a competitive price for the repair.

Tech Notes for P0720 2004 Nissan Altima Sedan

The vehicle speed sensor is called Revolution Sensor on Nissan Altima vehicles. Usually replacing the sensor take care of the P0720 code.

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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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 2004 Nissan Altima Sedan Code

1. What does the P0720 code mean on a 2004 Nissan Altima Sedan?

P0720 indicates an issue with the Output Speed Sensor Circuit, which monitors the transmission's output shaft speed to help control shifting and engine performance.

2. What are the common symptoms of the P0720 code in a 2004 Nissan Altima?

Symptoms may include erratic or harsh shifting, the speedometer not working, decreased fuel efficiency, or the Check Engine Light being illuminated.

3. What causes the P0720 code to appear in a 2004 Nissan Altima?

Common causes include a faulty vehicle speed sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning transmission control module (TCM).

4. Can I drive my 2004 Nissan Altima with a P0720 code?

While the car may still be drivable, it can experience reduced performance and potential transmission damage if not addressed promptly.

5. How do I diagnose the P0720 code in my 2004 Nissan Altima?

Diagnose the issue by using an OBDII scanner to confirm the code, inspecting the wiring and connectors near the speed sensor, and testing the sensor itself with a multimeter.

6. How do I fix a P0720 code on a 2004 Nissan Altima?

Repairs may involve replacing the vehicle speed sensor, repairing damaged wiring or connectors, or reprogramming or replacing the TCM if needed.

7. Where is the vehicle speed sensor located on a 2004 Nissan Altima?

The vehicle speed sensor is typically located on the transmission, near the output shaft.

8. How much does it cost to repair a P0720 code on a 2004 Nissan Altima?

Repair costs can range from $150 to $400, depending on whether the issue is with the sensor, wiring, or TCM.

9. Can a faulty vehicle speed sensor cause transmission problems?

Yes, a faulty speed sensor can lead to improper shifting, delayed gear engagement, and decreased overall transmission performance.

10. Will clearing the code fix the P0720 problem in my 2004 Nissan Altima?

Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be repaired to prevent the code from returning.

Discuss the causes and fixes for P0720 2004 Nissan Altima Sedan OBDII Code

  • That a shame on Nissan to let all these struggle with their car while the Company knows all these cars are having trouble all over . I don' t think is fair the company should make a recall to fix the problem. Now are they waiting for people who owned those cars to make a class action suit again .What a big shame on you "NISSAN'