Engine-CodesAcura – P0723 Acura

P0723 Acura Code - Output Shaft Speed Sensor Intermittent Failure

Quick Answer

The P0723 diagnostic trouble code (DTC) for Acura vehicles indicates an intermittent failure in the output shaft speed sensor. Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors, Loose or corroded 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
P0723 Acura indicates Output Shaft Speed Sensor Intermittent Failure.
Common causes
Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors, Loose or corroded 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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0723 Acura Description

The P0723 diagnostic trouble code (DTC) for Acura vehicles indicates an intermittent failure in the output shaft speed sensor. The output shaft speed sensor is a crucial component of the vehicle's transmission system, responsible for monitoring the speed of the output shaft and providing critical data to the engine control module (ECM) for proper gear shifting and overall transmission performance. When this sensor fails intermittently, it can lead to various issues affecting the vehicle's performance and drivability.

OBDII Code P0723 Acura - Output Shaft Speed Sensor Intermittent Failure
P0723 Acura Code - Output Shaft Speed Sensor Intermittent Failure

Common Causes of P0723 Acura

  1. Faulty output shaft speed sensor
  2. Damaged wiring or connectors
  3. Loose or corroded connection
  4. Issues with the transmission control module
  5. Transmission fluid contamination

Symptoms of P0723 Acura

  1. Erratic shifting patterns
  2. Harsh gear changes
  3. Transmission slipping
  4. Vehicle stalling
  5. Limp mode activation

How to Fix P0723 Acura

  1. Perform a comprehensive diagnostic scan to confirm the P0723 code and identify the exact cause of the intermittent failure.
  2. Inspect the output shaft speed sensor, wiring, and connectors for any damage or corrosion. Replace any faulty components as needed.
  3. Test the output shaft speed sensor using a multimeter to ensure it is functioning correctly.
  4. Clear the DTC and perform a test drive to verify that the issue has been resolved and the sensor is providing accurate data to the ECM.
  5. If the problem persists, further troubleshooting may be required, such as checking the transmission control module or consulting a professional technician for assistance.

Cost to Fix P0723 Acura

The typical repair costs for addressing an intermittent failure in the output shaft speed sensor can vary depending on the specific cause of the issue and the labor rates at auto repair shops. On average, the cost of replacing the output shaft speed sensor and addressing related issues can range from $200 to $500, including parts and labor. However, it is essential to note that the actual repair costs may differ based on factors such as the vehicle make and model, the location of the repair shop, and the extent of the damage. It is recommended to obtain a detailed estimate from a qualified technician or repair shop to determine the precise cost of resolving this issue.

Tech Notes for P0723 Acura









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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 P0723 Acura Code

1. What are the common symptoms of an output shaft speed sensor intermittent failure (OBDII code P0723) in an Acura?

The common symptoms include erratic or incorrect speedometer readings, harsh shifting, delayed or erratic transmission engagement, and the illumination of the check engine light.

2. What are the possible causes of an output shaft speed sensor intermittent failure in an Acura?

The possible causes may include a faulty speed sensor, damaged wiring or connectors, issues with the transmission control module, or internal transmission problems.

3. How can I diagnose an output shaft speed sensor intermittent failure in my Acura?

Diagnosis typically involves using an OBDII scanner to retrieve the P0723 code, conducting a visual inspection of the sensor and its wiring, performing a resistance test on the sensor, and checking for proper voltage and signal output.

4. Can I drive my Acura with an output shaft speed sensor intermittent failure?

It is not recommended to drive your Acura with a faulty output shaft speed sensor, as it can lead to further transmission damage and unsafe driving conditions. It's best to address the issue promptly.

5. What is the repair process for fixing an output shaft speed sensor intermittent failure in an Acura?

The repair process usually involves replacing the faulty speed sensor, repairing or replacing damaged wiring or connectors, clearing the trouble codes, and conducting a test drive to ensure proper functionality.

6. How much does it cost to repair an output shaft speed sensor intermittent failure in an Acura?

The cost of repairing this issue can vary depending on the labor rates in your area, the cost of the replacement parts, and whether you choose to have the repair done at a dealership or an independent mechanic.

7. Are there any preventive maintenance tips to avoid an output shaft speed sensor intermittent failure in my Acura?

Regularly checking and maintaining the health of your vehicle's transmission, ensuring proper fluid levels and quality, and addressing any warning signs or symptoms promptly can help prevent issues like an output shaft speed sensor failure.

8. Can a DIY enthusiast replace the output shaft speed sensor in an Acura?

Replacing the output shaft speed sensor can be a complex task that may require specialized tools and knowledge. If you are comfortable working on your vehicle and have the necessary skills, you may be able to replace it yourself with caution.

9. How long does it typically take to repair an output shaft speed sensor intermittent failure in an Acura?

The repair time can vary depending on the extent of the issue, the availability of parts, and the skill level of the mechanic. In general, it can take a few hours to a full day to complete the repair.

10. Will resetting the check engine light resolve the output shaft speed sensor intermittent failure in my Acura?

Resetting the check engine light without addressing the underlying issue will not fix the output shaft speed sensor intermittent failure. It's important to diagnose the problem, make the necessary repairs, and clear the trouble codes properly.

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