AutoCodes – Infiniti – P0720 2000 Infiniti G20

P0720 2000 Infiniti G20 Code - Vehicle Speed Sensor

Quick Answer

The speed sensor (revolution sensor) detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. Common causes include Faulty Revolution Sensor, Revolution Sensor harness is open or shorted, Revolution Sensor circuit poor electrical connection. 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 2000 Infiniti G20 indicates Vehicle Speed Sensor.
Common causes: Common causes include Faulty Revolution Sensor, Revolution Sensor harness is open or shorted, Revolution Sensor circuit poor electrical connection.
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.

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Code Popularity 6,287

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0720 2000 Infiniti G20 Description

The speed sensor (revolution sensor) detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the Transmission Control Module (TCM) which converts it into vehicle speed.

2000 Infiniti G20 Speed Sensor (Revolution Sensor) Location

OBDII Code P0720 2000 Infiniti G20 - Vehicle Speed Sensor - AutoCodes.com — P0720 2000 Infiniti G20 Code - Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P0720 2000 Infiniti G20?

Faulty Revolution Sensor
Revolution Sensor harness is open or shorted
Revolution Sensor circuit poor electrical connection

How to Fix the DTC P0720 2000 Infiniti G20?

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

On most Infiniti vehicles, the vehicle speed sensor is called Revolution Sensor. If there are no mechanical problems in the transmission, usually replacing the revolution sensor takes care of the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0720 2000 Infiniti G20 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 P0720 2000 Infiniti G20 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 P0720 2000 Infiniti G20 Code

1. What does OBDII code P0720 on a 2000 Infiniti G20 indicate?

- It indicates a fault with the vehicle speed sensor (VSS).

2. What are some common symptoms of a P0720 code on a 2000 Infiniti G20?

- Common symptoms include erratic speedometer readings, inaccurate odometer readings, and issues with the vehicle's shifting patterns.

3. What are the possible causes of a P0720 code on a 2000 Infiniti G20?

- The causes can include a faulty vehicle speed sensor, damaged wiring or connectors related to the sensor, or issues with the sensor's signal to the transmission control module.

4. How can I diagnose the cause of a P0720 code on my 2000 Infiniti G20?

- You can use a diagnostic scanner to read the code, inspect the vehicle speed sensor and its wiring for damage, and test the sensor's signal output using a multimeter.

5. Can I still drive my 2000 Infiniti G20 with a P0720 code?

- It is not recommended to drive the vehicle with a P0720 code as it can lead to inaccurate speed readings and potential transmission issues.

6. How much does it typically cost to repair a P0720 code on a 2000 Infiniti G20?

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

7. Can I replace the vehicle speed sensor on my 2000 Infiniti G20 myself?

- If you have the necessary tools and mechanical knowledge, you can replace the vehicle speed sensor yourself. However, it is recommended to consult a professional if you are unsure.

8. Will resetting the OBDII code P0720 on my 2000 Infiniti G20 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not fixed, the code is likely to reappear.

9. How important is it to address a P0720 code on my 2000 Infiniti G20 promptly?

- It is important to address the P0720 code promptly to ensure the vehicle's speed readings are accurate and to prevent potential transmission problems.

10. Are there any preventive measures I can take to avoid a P0720 code on my 2000 Infiniti G20?

- Regularly inspecting and maintaining the vehicle speed sensor, as well as ensuring the wiring connections are secure, can help prevent issues that lead to a P0720 code.