AutoCodes – Infiniti – P0720 1999 Infiniti G20

P0720 1999 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 1999 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 13,689

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 1999 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.

1999 Infiniti G20 Speed Sensor (Revolution Sensor) Location

OBDII Code P0720 1999 Infiniti G20 - Vehicle Speed Sensor - AutoCodes.com — P0720 1999 Infiniti G20 Code - Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P0720 1999 Infiniti G20?

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

How to Fix the DTC P0720 1999 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 1999 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 1999 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 1999 Infiniti G20 Code

1. What does OBDII code P0720 mean for a 1999 Infiniti G20?

The P0720 code in a 1999 Infiniti G20 indicates a problem with the vehicle speed sensor (VSS).

2. What are common symptoms of a P0720 code on a 1999 Infiniti G20?

Common symptoms of a P0720 code include issues with the speedometer, erratic or non-functional speedometer readings, and potential issues with the vehicle's transmission shifting.

3. What are possible causes of a P0720 code on a 1999 Infiniti G20?

Possible causes of a P0720 code include a faulty vehicle speed sensor, damaged wiring or connectors related to the sensor, or a malfunctioning speedometer.

4. How can I diagnose a P0720 code on my 1999 Infiniti G20?

To diagnose a P0720 code, you can use an OBDII scanner to retrieve the trouble code and then inspect the vehicle speed sensor and its wiring for any visible damage or issues.

5. Can a P0720 code on a 1999 Infiniti G20 affect the vehicle's performance?

Yes, a P0720 code can potentially affect the vehicle's performance by causing issues with the transmission shifting and speedometer accuracy.

6. Is it safe to drive with a P0720 code on a 1999 Infiniti G20?

It is not recommended to drive with a P0720 code as it can lead to inaccurate speed readings and potential transmission issues, which may compromise safety.

7. How can I repair a P0720 code on my 1999 Infiniti G20?

To repair a P0720 code, you may need to replace the vehicle speed sensor or repair any damaged wiring or connectors associated with the sensor.

8. Can I reset the P0720 code on my 1999 Infiniti G20 without fixing the issue?

While you can clear the code with an OBDII scanner, it is important to address the underlying issue causing the P0720 code to prevent further problems.

9. Are there any DIY tips for fixing a P0720 code on a 1999 Infiniti G20?

DIY tips for fixing a P0720 code may include checking and cleaning the connectors, ensuring proper sensor alignment, and verifying the sensor's signal output.

10. How much does it typically cost to repair a P0720 code on a 1999 Infiniti G20?

The cost of repairing a P0720 code on a 1999 Infiniti G20 can vary depending on the specific issue, but typically, it may range from $100 to $300 for parts and labor.