AutoCodesAcura – P0723 Acura

P0723 Acura Code - Output Shaft Speed Sensor Intermittent Failure

Quick Answer

The Output Shaft (Countershaft) Speed Sensor is attached to the transmission housing to sense countershaft revolutions. Common causes include Faulty Output Shaft (Countershaft) Speed Sensor, Output Shaft Speed Sensor harness is open or shorted, Output Shaft Speed 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
P0723 Acura indicates Output Shaft Speed Sensor Intermittent Failure.
Common causes
Common causes include Faulty Output Shaft (Countershaft) Speed Sensor, Output Shaft Speed Sensor harness is open or shorted, Output Shaft Speed 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 8,549
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2020
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Code P0723 Acura Description

The Output Shaft (Countershaft) Speed Sensor is attached to the transmission housing to sense countershaft revolutions. The Engine Control Module (ECM) determines the vehicle speed according to the signal from the Output Shaft (Countershaft) Speed Sensor to the control units. If an intermittent signal from the Output Shaft (Countershaft) Speed Sensor is received for a set period of time, the ECM detects a malfunction, and a Diagnostic Trouble Code (DTC) is stored.
OBDII Code P0723 Acura - Output Shaft Speed Sensor Intermittent Failure - AutoCodes.com
P0723 Acura Code - Output Shaft Speed Sensor Intermittent Failure

What are the Possible Causes of the DTC P0723 Acura?

  • Faulty Output Shaft (Countershaft) Speed Sensor
  • Output Shaft Speed Sensor harness is open or shorted
  • Output Shaft Speed Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0723 Acura?

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 P0723 Acura 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 P0723 Acura 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 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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