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Engine-Codes – Honda – P1247 Honda

P1247 Honda Code - Accelerator Pedal Position Sensor 2 Circuit Malfunction

Quick Answer

The P1247 Honda code indicates a malfunction in the Accelerator Pedal Position Sensor 2 circuit. Common causes include Faulty Accelerator Pedal Position Sensor 2, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM. 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
P1247 Honda indicates Accelerator Pedal Position Sensor 2 Circuit Malfunction.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor 2, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM.
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 09, 2024
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Code P1247 Honda Description

The P1247 Honda code indicates a malfunction in the Accelerator Pedal Position Sensor 2 circuit. This sensor is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the accelerator pedal and sending this information to the engine control module (ECM). The ECM uses this data to adjust the engine's performance, fuel efficiency, and emissions.

OBDII Code P1247 Honda - Accelerator Pedal Position Sensor 2 Circuit Malfunction
P1247 Honda Code - Accelerator Pedal Position Sensor 2 Circuit Malfunction

Common Causes of P1247 Honda

  1. Faulty Accelerator Pedal Position Sensor 2
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning ECM
  4. Issues with the throttle control system

Symptoms of P1247 Honda

  1. Reduced engine power or acceleration
  2. Engine hesitation or surging
  3. Illumination of the Check Engine Light
  4. Difficulty maintaining a steady speed
  5. Stalling or rough idling

How to Fix P1247 Honda

  1. Begin by performing a thorough inspection of the Accelerator Pedal Position Sensor 2 and its wiring for any visible signs of damage or wear.
  2. Use a multimeter to test the sensor's resistance and voltage output to determine if it is functioning within the manufacturer's specifications.
  3. If the sensor is faulty, replace it with a new, OEM-quality unit, ensuring proper installation and calibration.
  4. Check the wiring and connectors for any corrosion, breaks, or loose connections, repairing or replacing them as needed.
  5. Clear the diagnostic trouble codes from the ECM and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P1247 Honda

The cost of repairing a P1247 Honda code can vary depending on the specific cause of the malfunction and the labor rates in your area. On average, the parts required for this repair, including a new Accelerator Pedal Position Sensor 2, may range from $100 to $200. Labor costs can add another $100 to $200, bringing the total repair estimate to approximately $200 to $400. It's important to note that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain a detailed quote from a trusted mechanic before proceeding with the repair.

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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 P1247 Honda Code

1. What are the common symptoms of OBDII code P1247 in a Honda?

- Common symptoms include issues with acceleration, reduced engine power, stalling, and the illumination of the check engine light.

2. What does the OBDII code P1247 in a Honda indicate?

- The code P1247 indicates a malfunction in the Accelerator Pedal Position Sensor 2 Circuit, which is responsible for monitoring the position of the accelerator pedal.

3. What are the possible causes of the Accelerator Pedal Position Sensor 2 Circuit malfunction in a Honda?

- Possible causes include a faulty accelerator pedal position sensor, damaged wiring or connectors, a defective engine control module (ECM), or a poor electrical connection.

4. How can I diagnose the cause of OBDII code P1247 in my Honda?

- You can diagnose the issue by performing a visual inspection of the sensor and its wiring, testing the sensor's resistance, checking for loose connections, and using a scan tool to monitor sensor data.

5. Can I drive my Honda with OBDII code P1247?

- It is not recommended to drive your vehicle with code P1247 as it can lead to further damage and unsafe driving conditions. It is best to address the issue promptly.

6. Is it possible to repair the Accelerator Pedal Position Sensor 2 Circuit malfunction in a Honda myself?

- While some DIY enthusiasts may attempt to repair this issue, it is recommended to seek professional help to ensure proper diagnosis and repair, especially when dealing with electronic components.

7. How much does it typically cost to repair OBDII code P1247 in a Honda?

- The cost of repairing P1247 can vary depending on the exact cause of the issue, but it may involve replacing the accelerator pedal position sensor, repairing wiring, or addressing other related components. Costs can range from a few hundred to over a thousand dollars.

8. Will resetting the check engine light resolve OBDII code P1247 in a Honda?

- Resetting the check engine light may temporarily turn off the light, but it will not fix the underlying issue causing code P1247. The problem should be diagnosed and repaired to prevent further complications.

9. Can a bad Accelerator Pedal Position Sensor affect fuel efficiency in a Honda?

- Yes, a faulty Accelerator Pedal Position Sensor can affect fuel efficiency as it plays a crucial role in determining the amount of fuel injected into the engine based on the accelerator pedal position.

10. How long does it typically take to repair the Accelerator Pedal Position Sensor 2 Circuit malfunction in a Honda?

- The repair time can vary depending on the exact cause of the issue and the availability of parts. In general, it may take a few hours to a day to diagnose and repair the problem.

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