AutoCodes – Infiniti – P0720 2001 Infiniti I30

P0720 2001 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 2001 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.

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Code Popularity 28,107

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 2001 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.

2001 Infiniti I30 Speed Sensor (Revolution Sensor) Location

OBDII Code P0720 2001 Infiniti I30 - Vehicle Speed Sensor - AutoCodes.com — P0720 2001 Infiniti I30 Code - Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P0720 2001 Infiniti I30?

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

How to Fix the DTC P0720 2001 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.

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 2001 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.

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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 2001 Infiniti I30 Code

1. What does OBDII code P0720 on a 2001 Infiniti I30 indicate?

The OBDII code P0720 on a 2001 Infiniti I30 typically indicates a problem with the vehicle speed sensor.

2. What are the common symptoms of a P0720 OBDII code in a 2001 Infiniti I30?

Common symptoms of a P0720 OBDII code in a 2001 Infiniti I30 include speedometer issues, erratic or non-functional speedometer readings, and potential transmission shifting problems.

3. What are the possible causes of a P0720 OBDII code in a 2001 Infiniti I30?

Possible causes of a P0720 OBDII code in a 2001 Infiniti I30 include a faulty vehicle speed sensor, damaged wiring or connectors related to the sensor, or issues with the transmission control module.

4. How can I diagnose the cause of a P0720 OBDII code in a 2001 Infiniti I30?

To diagnose the cause of a P0720 OBDII code in a 2001 Infiniti I30, you can use a scan tool to check for additional trouble codes, visually inspect the vehicle speed sensor and its wiring, and perform a continuity test on the sensor.

5. Can I continue to drive my 2001 Infiniti I30 with a P0720 OBDII code?

It is not recommended to continue driving your 2001 Infiniti I30 with a P0720 OBDII code, as it can lead to inaccurate speedometer readings and potential transmission issues.

6. How difficult is it to replace the vehicle speed sensor on a 2001 Infiniti I30?

Replacing the vehicle speed sensor on a 2001 Infiniti I30 is a moderate task that may require basic mechanical skills and tools. It is located on the transmission and typically involves removing and replacing the sensor.

7. Are there any DIY repair tips for fixing a P0720 OBDII code on a 2001 Infiniti I30?

DIY repair tips for fixing a P0720 OBDII code on a 2001 Infiniti I30 include checking and cleaning the sensor connections, inspecting the sensor for damage or debris, and ensuring proper alignment during installation.

8. What are the potential risks of ignoring a P0720 OBDII code on a 2001 Infiniti I30?

Ignoring a P0720 OBDII code on a 2001 Infiniti I30 can lead to inaccurate speedometer readings, potential transmission issues, and decreased fuel efficiency.

9. How much does it typically cost to repair a P0720 OBDII code on a 2001 Infiniti I30?

The cost to repair a P0720 OBDII code on a 2001 Infiniti I30 can vary depending on the root cause of the issue. It may range from $100 to $300 for parts and labor.

10. Can a P0720 OBDII code in a 2001 Infiniti I30 be cleared/reset without fixing the underlying issue?

Clearing or resetting a P0720 OBDII code in a 2001 Infiniti I30 without fixing the underlying issue is not recommended, as the problem will likely reoccur and potentially lead to more severe issues with the vehicle.