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Engine-Codes – Honda – P2122 2007 Honda Accord

P2122 2007 Honda Accord Code - Accelerator Pedal Position Sensor 1 Circuit Low Voltage

Quick Answer

The P2122 code for a 2007 Honda Accord refers to a problem with the Accelerator Pedal Position Sensor 1 Circuit, indicating that the voltage signal from the sensor is lower than expected. Common causes include Faulty accelerator pedal position sensor, Corrosion or damage to sensor wiring or connectors, Issues with the engine control module. 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
P2122 2007 Honda Accord indicates Accelerator Pedal Position Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty accelerator pedal position sensor, Corrosion or damage to sensor wiring or connectors, Issues with the engine control module.
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 05, 2024
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Code P2122 2007 Honda Accord Description

The P2122 code for a 2007 Honda Accord refers to a problem with the Accelerator Pedal Position Sensor 1 Circuit, indicating that the voltage signal from the sensor is lower than expected. The accelerator pedal position sensor is a vital component of the vehicle's electronic throttle control system, which communicates the position of the accelerator pedal to the engine control module. When this sensor malfunctions and sends a low voltage signal, it can lead to issues with engine performance and drivability. If left unresolved, this issue can cause poor acceleration, rough idling, stalling, and even potential safety hazards while driving.

OBDII Code P2122 2007 Honda Accord - Accelerator Pedal Position Sensor 1 Circuit Low Voltage
P2122 2007 Honda Accord Code - Accelerator Pedal Position Sensor 1 Circuit Low Voltage

Common Causes of P2122 2007 Honda Accord

  1. Faulty accelerator pedal position sensor
  2. Corrosion or damage to sensor wiring or connectors
  3. Issues with the engine control module
  4. Electrical problems such as a short circuit or open circuit
  5. Poor connection or ground within the sensor circuit

Symptoms of P2122 2007 Honda Accord

  1. Reduced engine power or acceleration
  2. Engine hesitation or surging
  3. Check Engine Light illuminated on the dashboard
  4. Rough idling or stalling
  5. Difficulty maintaining consistent speed

How to Fix P2122 2007 Honda Accord

  1. Begin by diagnosing the specific cause of the low voltage signal from the accelerator pedal position sensor using a diagnostic scanner.
  2. Inspect the sensor, wiring, and connectors for any signs of damage, corrosion, or loose connections.
  3. Replace the accelerator pedal position sensor if it is found to be faulty.
  4. Repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2122 2007 Honda Accord

The cost of repairing the Accelerator Pedal Position Sensor 1 Circuit Low Voltage issue on a 2007 Honda Accord can vary depending on the specific cause of the problem. In general, the cost for parts such as a new accelerator pedal position sensor can range from $50 to $150, while labor costs at an auto repair shop can add an additional $100 to $200. Overall, the total repair cost for this issue is likely to be around $150 to $350. However, it's important to note that labor rates and prices for parts can vary based on the location, type of repair shop, and the specific make and model of the vehicle. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate.

What does this mean?

Tech Notes for P2122 2007 Honda Accord

ECM may need to updated

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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 P2122 2007 Honda Accord Code

1. What are the common symptoms of OBDII code P2122 in a 2007 Honda Accord?

- Common symptoms include reduced engine power, hesitation when accelerating, and the vehicle going into limp mode.

2. What does the OBDII code P2122 for a 2007 Honda Accord indicate?

- The code P2122 indicates that there is a low voltage condition in the Accelerator Pedal Position Sensor 1 circuit.

3. What are the possible causes of the P2122 code in a 2007 Honda Accord?

- Possible causes include a faulty accelerator pedal position sensor, wiring or connector issues, or a problem with the engine control module (ECM).

4. How can I diagnose the OBDII code P2122 in my 2007 Honda Accord?

- Diagnosis involves using a scan tool to read the code, checking the wiring and connectors for any damage, and testing the accelerator pedal position sensor for proper functioning.

5. Can I continue driving my 2007 Honda Accord with the P2122 code present?

- It is not recommended to drive the vehicle with the P2122 code present as it can lead to performance issues and potential safety hazards.

6. How can I repair the Accelerator Pedal Position Sensor 1 circuit low voltage issue in my 2007 Honda Accord?

- Repair steps may include replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, or reprogramming the ECM.

7. Will resetting the OBDII code P2122 in my 2007 Honda Accord make it go away permanently?

- Simply resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Is it possible to prevent the recurrence of the P2122 code in my 2007 Honda Accord?

- Regular maintenance, checking and replacing worn-out sensors or components, and addressing electrical issues promptly can help prevent the code from reoccurring.

9. Can a DIY enthusiast fix the P2122 code in a 2007 Honda Accord?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the P2122 code, but professional help is recommended for complex issues.

10. How much can I expect to pay for repairing the P2122 code in my 2007 Honda Accord at a mechanic?

- The cost of repairing the P2122 code can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

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