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P1807 Nissan Code - Vehicle Speed Sensor A/T

Quick Answer

The P1807 Nissan code indicates a problem with the vehicle speed sensor in an automatic transmission system. Common causes include Faulty vehicle speed sensor, Wiring or connector issues, Corrosion or damage to the sensor. 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
P1807 Nissan indicates Vehicle Speed Sensor A/T.
Common causes
Common causes include Faulty vehicle speed sensor, Wiring or connector issues, Corrosion or damage to the sensor.
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 Aug 25, 2024
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Code P1807 Nissan Description

The P1807 Nissan code indicates a problem with the vehicle speed sensor in an automatic transmission system. The vehicle speed sensor is responsible for monitoring the speed of the vehicle and sending this information to the engine control module (ECM) to assist in functions such as shifting gears, fuel efficiency, and overall performance. When this sensor malfunctions, it can lead to issues with the transmission's operation, resulting in poor performance, decreased fuel efficiency, and potential safety concerns.

OBDII Code P1807 Nissan - Vehicle Speed Sensor A/T
P1807 Nissan Code - Vehicle Speed Sensor A/T

Common Causes of P1807 Nissan

  1. Faulty vehicle speed sensor
  2. Wiring or connector issues
  3. Corrosion or damage to the sensor
  4. ECM software or programming issues
  5. Transmission fluid contamination

Symptoms of P1807 Nissan

  1. Inaccurate speedometer readings
  2. Harsh or delayed shifting of gears
  3. Loss of power or acceleration
  4. Illumination of the check engine light
  5. Transmission slipping or jerking

How to Fix P1807 Nissan

  1. Begin by diagnosing the issue using a scan tool to confirm the P1807 code and check for any additional related codes.
  2. Inspect the vehicle speed sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
  3. Test the sensor's signal output using a multimeter to ensure it is functioning correctly.
  4. Check and clean any connectors or terminals related to the sensor to ensure proper electrical connections.
  5. Clear the code from the ECM memory and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P1807 Nissan

The cost for repairing the vehicle speed sensor in an automatic transmission system can vary depending on the make and model of the vehicle, as well as the location and labor rates of the repair shop. On average, the parts for this repair can range from $50 to $150, while the labor costs can be between $100 and $200. Overall, the total cost for addressing the P1807 Nissan code could be around $150 to $350. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate.

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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 P1807 Nissan Code

1. What are the common symptoms of OBDII code P1807 Nissan related to the Vehicle Speed Sensor A/T?

The common symptoms include erratic speedometer readings, incorrect shift points in the automatic transmission, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P1807 Nissan indicating an issue with the Vehicle Speed Sensor A/T?

Possible causes include a faulty vehicle speed sensor, damaged wiring or connectors in the speed sensor circuit, or a malfunctioning automatic transmission control module.

3. How can I diagnose OBDII code P1807 Nissan related to the Vehicle Speed Sensor A/T?

Diagnosis typically involves using a scan tool to retrieve the trouble code, testing the vehicle speed sensor for proper operation, inspecting the wiring and connectors for damage, and checking the automatic transmission control module for faults.

4. Can I still drive my vehicle with OBDII code P1807 Nissan indicating a problem with the Vehicle Speed Sensor A/T?

It is not recommended to drive the vehicle with this code present, as it can lead to incorrect shifting behavior and potential transmission damage. It is best to address the issue promptly.

5. How can I repair OBDII code P1807 Nissan related to the Vehicle Speed Sensor A/T?

Repair options may include replacing the faulty vehicle speed sensor, repairing or replacing damaged wiring or connectors, or addressing any issues with the automatic transmission control module.

6. Are there any DIY tips for fixing OBDII code P1807 Nissan involving the Vehicle Speed Sensor A/T?

DIY enthusiasts with automotive experience can attempt to replace the vehicle speed sensor themselves, following manufacturer guidelines and using proper tools to ensure a successful repair.

7. Is it necessary to reset the OBDII code P1807 Nissan after repairing the Vehicle Speed Sensor A/T issue?

Yes, it is recommended to clear the trouble code using a scan tool after repairing the Vehicle Speed Sensor A/T problem. This will reset the Check Engine Light and allow you to monitor if the issue reoccurs.

8. Can a faulty vehicle speed sensor cause other problems in the vehicle besides triggering OBDII code P1807 Nissan?

Yes, a faulty vehicle speed sensor can lead to other issues such as inaccurate speedometer readings, cruise control malfunctions, and ABS system problems.

9. How much does it cost to repair OBDII code P1807 Nissan associated with the Vehicle Speed Sensor A/T at a mechanic or dealership?

The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.

10. Will ignoring OBDII code P1807 Nissan related to the Vehicle Speed Sensor A/T lead to more severe problems in the long run?

Ignoring this code can potentially lead to transmission issues, incorrect speed readings affecting other vehicle systems, and decreased fuel efficiency. It is advisable to address the problem promptly.

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