AutoCodes – Infiniti – P0720 2000 Infiniti I30

P0720 2000 Infiniti I30 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 I30 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 25,166
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 08, 2019
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Code P0720 2000 Infiniti I30 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 I30 Speed Sensor (Revolution Sensor) Location
OBDII Code P0720 2000 Infiniti I30 - Vehicle Speed Sensor - AutoCodes.com
P0720 2000 Infiniti I30 Code - Vehicle Speed Sensor

What are the Possible Causes of the DTC P0720 2000 Infiniti I30?

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

How to Fix the DTC P0720 2000 Infiniti I30?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0720 2000 Infiniti I30 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 I30 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 I30 Code

1. What is OBDII code P0720 on a 2000 Infiniti I30 related to?

Code P0720 on a 2000 Infiniti I30 is related to the Vehicle Speed Sensor (VSS).

2. What are some common symptoms of a P0720 code on a 2000 Infiniti I30?

Common symptoms of a P0720 code include erratic speedometer readings, improper shifting of the transmission, and the Check Engine Light illuminating.

3. What causes the P0720 code to appear on a 2000 Infiniti I30?

The P0720 code on a 2000 Infiniti I30 is typically triggered by a faulty Vehicle Speed Sensor, damaged wiring or connectors, or issues with the transmission output speed sensor.

4. How can I diagnose the cause of a P0720 code on a 2000 Infiniti I30?

To diagnose a P0720 code, you can perform a visual inspection of the VSS and its connections, test the sensor's output with a multimeter, and check for any damaged wiring or connectors.

5. Can a faulty Vehicle Speed Sensor be repaired, or does it need to be replaced?

In most cases, a faulty Vehicle Speed Sensor will need to be replaced rather than repaired to resolve the P0720 code on a 2000 Infiniti I30.

6. Is it safe to continue driving a 2000 Infiniti I30 with a P0720 code?

It is not recommended to continue driving a vehicle with a P0720 code, as it can lead to transmission issues and potential safety hazards.

7. How much does it typically cost to replace a Vehicle Speed Sensor on a 2000 Infiniti I30?

The cost of replacing a Vehicle Speed Sensor on a 2000 Infiniti I30 can vary depending on the location and labor rates, but it generally ranges from $100 to $300.

8. Can a DIY enthusiast replace the Vehicle Speed Sensor on a 2000 Infiniti I30?

Replacing the Vehicle Speed Sensor on a 2000 Infiniti I30 can be a relatively straightforward task for a DIY enthusiast with some mechanical skills and the right tools.

9. Will resetting the OBDII code P0720 on a 2000 Infiniti I30 make it go away permanently?

Resetting the P0720 code may temporarily turn off the Check Engine Light, but if the underlying issue with the Vehicle Speed Sensor is not resolved, the code is likely to reappear.

10. How important is it to address the P0720 code promptly on a 2000 Infiniti I30?

It is important to address the P0720 code promptly on a 2000 Infiniti I30 to prevent potential transmission damage, improve vehicle performance, and ensure overall safety on the road.

Discuss the causes and fixes for P0720 2000 Infiniti I30 OBDII Code

  • My i30 tA/T will slip and if I shut down vehicle and start it it goes away. It has happened 3 times in the last 6 weeks. A few forum post here state it could the A.T valve body/solenoid or TCM. However I put a DTC on it a got code P0720 which indicate vehicle speed sensor. So now I have an intermittent problem with 3 possible solutions.

    Any ideas or suggestions

  • You should start by replacing the sensor.

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