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P0720 2005 Nissan Altima Sedan Code - Vehicle Speed Sensor

Quick Answer

The P0720 diagnostic trouble code (DTC) in a 2005 Nissan Altima Sedan relates to the vehicle speed sensor. Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris affecting the sensor's readings. 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 2005 Nissan Altima Sedan indicates Vehicle Speed Sensor.
Common causes
Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris affecting the sensor's readings.
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 16, 2024
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Code P0720 2005 Nissan Altima Sedan Description

The P0720 diagnostic trouble code (DTC) in a 2005 Nissan Altima Sedan relates to the vehicle speed sensor. This sensor is responsible for monitoring the speed of the vehicle and sending this information to the engine control module (ECM). The ECM uses this data to adjust various systems such as fuel injection, transmission shifting, and ABS braking. When the vehicle speed sensor malfunctions or fails, it can lead to a range of issues affecting the vehicle's performance and drivability.

OBDII Code P0720 2005 Nissan Altima Sedan - Vehicle Speed Sensor
P0720 2005 Nissan Altima Sedan Code - Vehicle Speed Sensor

Common Causes of P0720 2005 Nissan Altima Sedan

  1. Faulty vehicle speed sensor.
  2. Damaged wiring or connectors leading to the sensor.
  3. Corrosion or debris affecting the sensor's readings.
  4. ECM software or hardware issues.
  5. Mechanical damage to the sensor due to external factors.

Symptoms of P0720 2005 Nissan Altima Sedan

  1. Inaccurate speedometer readings or erratic speedometer behavior.
  2. Harsh or delayed transmission shifting.
  3. Poor fuel efficiency.
  4. ABS warning light illuminated on the dashboard.
  5. Check Engine Light (CEL) is on.

How to Fix P0720 2005 Nissan Altima Sedan

  1. Diagnose the issue by using a scan tool to read the DTC and confirm the vehicle speed sensor is the problem.
  2. Locate the vehicle speed sensor, typically mounted on the transmission or wheel hub, and inspect for any visible damage or corrosion.
  3. Test the sensor's resistance and output voltage to determine if it is functioning correctly.
  4. Replace the faulty vehicle speed sensor if necessary, ensuring proper installation and connection to the wiring harness.
  5. Clear the DTC and test drive the vehicle to confirm the issue has been resolved.

Cost to Fix P0720 2005 Nissan Altima Sedan

The cost of repairing a P0720 DTC related to the vehicle speed sensor in a 2005 Nissan Altima Sedan can vary depending on the specific cause of the issue and the labor rates in your area. Generally, the price for a new vehicle speed sensor ranges from $50 to $150, with additional costs for labor. The total repair cost, including parts and labor, can range from $150 to $300. It is advisable to contact local auto repair shops for accurate quotes based on your location and vehicle specifications. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors when obtaining repair estimates.

What does this mean?

Tech Notes for P0720 2005 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 2005 Nissan Altima Sedan Code

1. What does OBDII code P0720 mean for a 2005 Nissan Altima Sedan?

- OBDII code P0720 on a 2005 Nissan Altima Sedan indicates a problem with the vehicle speed sensor (VSS).

2. What are common symptoms of a P0720 code in a 2005 Nissan Altima Sedan?

- Common symptoms of a P0720 code in a 2005 Nissan Altima Sedan include erratic speedometer readings, improper shifting of gears, and the malfunction indicator light (MIL) coming on.

3. What are the possible causes of a P0720 code in a 2005 Nissan Altima Sedan?

- The possible causes of a P0720 code in a 2005 Nissan Altima Sedan include a faulty vehicle speed sensor, damaged wiring or connectors related to the sensor, or issues with the sensor circuit.

4. How can I diagnose a P0720 code in my 2005 Nissan Altima Sedan?

- To diagnose a P0720 code in a 2005 Nissan Altima Sedan, you can use an OBDII scanner to check for the specific code, visually inspect the vehicle speed sensor and its wiring, and test the sensor's functionality.

5. Can I continue driving my 2005 Nissan Altima Sedan with a P0720 code?

- It is not recommended to continue driving your 2005 Nissan Altima Sedan with a P0720 code as it can lead to potential transmission issues and further damage if left unattended.

6. How difficult is it to replace the vehicle speed sensor in a 2005 Nissan Altima Sedan?

- Replacing the vehicle speed sensor in a 2005 Nissan Altima Sedan is typically a moderate-level repair that involves locating the sensor, removing it, installing a new one, and ensuring proper calibration.

7. Are there any DIY tips for fixing a P0720 code in a 2005 Nissan Altima Sedan?

- DIY tips for fixing a P0720 code in a 2005 Nissan Altima Sedan include checking the sensor's wiring for damage, cleaning connectors, and ensuring the sensor is securely mounted.

8. How much does it cost to repair a P0720 code in a 2005 Nissan Altima Sedan at a mechanic?

- The cost of repairing a P0720 code in a 2005 Nissan Altima Sedan at a mechanic can vary depending on the specific issue, but it typically ranges from $150 to $300 for parts and labor.

9. Can a P0720 code in a 2005 Nissan Altima Sedan be triggered by a faulty speedometer?

- Yes, a P0720 code in a 2005 Nissan Altima Sedan can be triggered by a faulty speedometer, as the vehicle speed sensor plays a crucial role in providing input for the speedometer's readings.

10. Will resetting the OBDII code P0720 in a 2005 Nissan Altima Sedan make it go away permanently?

- Resetting the OBDII code P0720 in a 2005 Nissan Altima Sedan may temporarily clear the code, but if the underlying issue with the vehicle speed sensor is not addressed, the code is likely to reappear.

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