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P1273 Acura Code - Accelerator Pedal Position Sensor 1-3 Correlation

Quick Answer

The P1273 diagnostic trouble code for Acura vehicles indicates a problem with the correlation between the Accelerator Pedal Position Sensor 1 and Sensor 3. Common causes include Faulty Accelerator Pedal Position Sensor 1 or Sensor 3, Wiring harness issues (e.g., damaged wires, poor connections), ECM calibration errors. 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
P1273 Acura indicates Accelerator Pedal Position Sensor 1-3 Correlation.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor 1 or Sensor 3, Wiring harness issues (e.g., damaged wires, poor connections), ECM calibration errors.
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 10, 2024
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Code P1273 Acura Description

The P1273 diagnostic trouble code for Acura vehicles indicates a problem with the correlation between the Accelerator Pedal Position Sensor 1 and Sensor 3. The Accelerator Pedal Position Sensor (APPS) is an essential component of the vehicle's electronic throttle control system. It is responsible for monitoring the position of the accelerator pedal and sending this information to the Engine Control Module (ECM) to adjust the throttle accordingly. When the correlation between Sensor 1 and Sensor 3 is off, it can lead to erratic throttle response, poor engine performance, and potential safety hazards.

OBDII Code P1273 Acura - Accelerator Pedal Position Sensor 1-3 Correlation
P1273 Acura Code - Accelerator Pedal Position Sensor 1-3 Correlation

Common Causes of P1273 Acura

  1. Faulty Accelerator Pedal Position Sensor 1 or Sensor 3
  2. Wiring harness issues (e.g., damaged wires, poor connections)
  3. ECM calibration errors
  4. Electronic throttle control system malfunction
  5. Environmental factors (moisture, dirt) affecting sensor performance

Symptoms of P1273 Acura

  1. Erratic throttle response
  2. Engine hesitation or surging
  3. Reduced engine power
  4. Engine stalling
  5. Illuminated check engine light

How to Fix P1273 Acura

  1. Perform a thorough inspection of the Accelerator Pedal Position Sensor 1 and Sensor 3, checking for any visible damage or irregularities.
  2. Test the sensors using a multimeter to ensure they are functioning within the manufacturer's specifications.
  3. Inspect the wiring harnesses connecting the sensors to the ECM for any damage or loose connections. Repair or replace as necessary.
  4. If the sensors and wiring are in good condition, recalibrate the ECM to establish the correct correlation between Sensor 1 and Sensor 3.
  5. Clear the diagnostic trouble codes from the ECM memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1273 Acura

The typical repair costs for addressing a P1273 code related to the Accelerator Pedal Position Sensor 1-3 correlation issue can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on various factors. Rates in metropolitan areas or at dealerships may be higher, while independent shops may offer more competitive prices. It is advisable to consult with a trusted mechanic to obtain a more accurate estimate based on your specific vehicle make and model.

When is the Code Detected?

The Engine Control Module (ECM) compared the signal from both Accelerator Pedal Position (APP) sensors and detected a voltage difference.

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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 P1273 Acura Code

1. What are the common symptoms of OBDII code P1273 in an Acura related to the Accelerator Pedal Position Sensor 1-3 Correlation issue?

- Common symptoms include poor acceleration, reduced engine power, stalling, and the illumination of the Check Engine Light.

2. What can cause the OBDII code P1273 in an Acura indicating a problem with the Accelerator Pedal Position Sensor 1-3 Correlation?

- The code can be triggered by issues such as a faulty accelerator pedal position sensor, a damaged wiring harness, or a poor electrical connection.

3. How can I diagnose the OBDII code P1273 in my Acura that points to a problem with the Accelerator Pedal Position Sensor 1-3 Correlation?

- Diagnosis involves using a scan tool to read the code, checking the sensor's voltage and signals, inspecting the wiring for any damage, and testing the sensor's functionality.

4. Is it safe to continue driving my Acura with the OBDII code P1273 related to the Accelerator Pedal Position Sensor 1-3 Correlation issue?

- It is not recommended to drive the vehicle with this issue as it can lead to poor performance and potential safety hazards. It's best to address the problem promptly.

5. Can I repair the OBDII code P1273 in my Acura indicating an Accelerator Pedal Position Sensor 1-3 Correlation problem myself?

- If you have the necessary tools and knowledge, you may be able to repair the issue yourself by replacing the faulty sensor or fixing any wiring issues. Otherwise, it's best to consult a professional mechanic.

6. Are there any tips for preventing the recurrence of the OBDII code P1273 related to the Accelerator Pedal Position Sensor 1-3 Correlation in my Acura?

- Regularly inspecting and maintaining the accelerator pedal position sensor, ensuring proper electrical connections, and addressing any issues promptly can help prevent the code from recurring.

7. How much does it typically cost to repair the OBDII code P1273 in an Acura due to an Accelerator Pedal Position Sensor 1-3 Correlation issue?

- The cost of repair can vary depending on the extent of the problem, labor rates, and the cost of parts. It is advisable to get quotes from different mechanics or dealerships for an accurate estimate.

8. Can a faulty Accelerator Pedal Position Sensor 1-3 Correlation affect the overall performance of my Acura?

- Yes, a faulty sensor can impact the engine's performance, fuel efficiency, and drivability of the vehicle. It is essential to address the issue promptly to avoid further damage.

9. Will resetting the OBDII code P1273 related to the Accelerator Pedal Position Sensor 1-3 Correlation solve the problem in my Acura?

- While resetting the code may temporarily turn off the Check Engine Light, it will not fix the underlying issue causing the code. It's crucial to diagnose and repair the problem to prevent it from recurring.

10. How long does it typically take to repair the OBDII code P1273 in an Acura indicating an Accelerator Pedal Position Sensor 1-3 Correlation issue?

- The repair time can vary depending on the exact cause of the problem, availability of parts, and the mechanic's expertise. It's advisable to consult with a professional for a more accurate estimate.

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