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P0500 2004 Infiniti G35 Code - Vehicle Speed Sensor

Quick Answer

The P0500 diagnostic trouble code (DTC) for a 2004 Infiniti G35 indicates an issue with the Vehicle Speed Sensor (VSS). Common causes include Faulty Vehicle Speed Sensor, Damaged wiring or connectors leading to the VSS, Corrosion or debris affecting the VSS. 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
P0500 2004 Infiniti G35 indicates Vehicle Speed Sensor.
Common causes
Common causes include Faulty Vehicle Speed Sensor, Damaged wiring or connectors leading to the VSS, Corrosion or debris affecting the VSS.
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 06, 2024
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Code P0500 2004 Infiniti G35 Description

The P0500 diagnostic trouble code (DTC) for a 2004 Infiniti G35 indicates an issue with the Vehicle Speed Sensor (VSS). The VSS is a crucial component in the vehicle's transmission system that helps monitor the speed of the vehicle. It sends signals to the engine control module (ECM) to ensure proper shifting of gears, fuel efficiency, and overall performance.

OBDII Code P0500 2004 Infiniti G35 - Vehicle Speed Sensor
P0500 2004 Infiniti G35 Code - Vehicle Speed Sensor

Common Causes of P0500 2004 Infiniti G35

  1. Faulty Vehicle Speed Sensor
  2. Damaged wiring or connectors leading to the VSS
  3. Corrosion or debris affecting the VSS
  4. Faulty ECM or related control modules
  5. Transmission issues affecting VSS readings

Symptoms of P0500 2004 Infiniti G35

  1. Inaccurate speedometer readings
  2. Erratic shifting of gears
  3. Loss of power or acceleration
  4. Harsh or delayed transmission engagement
  5. Illumination of the check engine light

How to Fix P0500 2004 Infiniti G35

  1. Begin by locating the VSS on the transmission or transfer case.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the VSS using a multimeter to check for proper resistance and signal output.
  4. Replace the VSS if it fails the resistance or signal tests.
  5. Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0500 2004 Infiniti G35

The cost of repairing a Vehicle Speed Sensor on a 2004 Infiniti G35 can vary depending on the location, labor rates, and parts needed. Typically, the cost of a new VSS can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost could be between $150 and $350. It's important to consult with a professional mechanic to get an accurate estimate based on your specific vehicle and location.

What does this mean?

Tech Notes for P0500 2004 Infiniti G35

On most Infiniti models the Vehicle Speed Sensor (VSS) is installed in the transaxle, on some Infiniti models poor connection at the speedometer can cause the problem. Before replacing the sensor you should try cleaning the sensor gear and erasing the code. If the light comes back you may have to replace the sensor.

When is the Code Detected?

The almost 0 km/h (0 MPH) signal from vehicle speed sensor is sent to ECM even when vehicle is being driven.

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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 P0500 2004 Infiniti G35 Code

1. What does the OBDII code P0500 mean on a 2004 Infiniti G35?

P0500 indicates a malfunction in the Vehicle Speed Sensor (VSS) circuit, which monitors and reports the vehicle's speed to the engine control module (ECM).

2. What are the common symptoms of a P0500 code on a 2004 Infiniti G35?

Symptoms include erratic or non-functional speedometer, poor shifting performance (in automatic transmissions), loss of cruise control, and possibly reduced engine performance.

3. What causes the P0500 code to appear on a 2004 Infiniti G35?

Common causes include a faulty Vehicle Speed Sensor, damaged or corroded wiring, loose connections, or an issue with the ECM.

4. Can I drive my 2004 Infiniti G35 with a P0500 code?

While the car may still be drivable, it can exhibit poor shifting and performance issues, and driving without accurate speed data can be unsafe.

5. How do I diagnose a P0500 code on a 2004 Infiniti G35?

Check the wiring and connectors for damage or corrosion, test the Vehicle Speed Sensor using a multimeter, and inspect the ECM for faults.

6. How do I fix the P0500 code on a 2004 Infiniti G35?

Repairs may include replacing a faulty Vehicle Speed Sensor, repairing damaged wiring, cleaning corroded connections, or reprogramming/replacing the ECM if necessary.

7. How much does it cost to repair a P0500 code on a 2004 Infiniti G35?

Replacing the Vehicle Speed Sensor typically costs between $100 and $300, including parts and labor. Wiring repairs or ECM replacement may cost more.

8. Can a bad speed sensor affect the transmission on a 2004 Infiniti G35?

Yes, a faulty Vehicle Speed Sensor can cause improper shifting or make the transmission stay in a single gear, especially in automatic models.

9. Is P0500 a serious issue for a 2004 Infiniti G35?

Yes, it can affect vehicle safety, transmission function, and overall drivability, so it’s important to address the issue promptly.

10. Can clearing the P0500 code fix the problem on a 2004 Infiniti G35?

Clearing the code may temporarily remove the warning light, but the underlying issue must be resolved to prevent the code from returning.

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